The crown jewel of Loess-Lattice. A $82 conductance probe that turns 109 bacterial transitions per gram of topsoil into cryptographic entropy.
Soil is the densest living system on the surface of the Earth. Its stochastic properties are genuine, non-replicable, and environmentally responsive. No two soils on Earth produce an identical conductance noise profile.
A submersible IP68 unit designed for direct burial at 10–30 cm depth. Solar or battery powered. LoRaWAN or NB-IoT for receipt egress. Bill of materials: $82 at 10,000-unit volume. No cryogenics, no lab infrastructure.
AXIS-17 PROBE — CROSS-SECTION (not to scale; illustrative) ┌─────────────────────┐ │ Above-ground housing │ │ [Solar panel 6V/1W] │ │ [MCU + ADC + SecElem] │ │ [LoRaWAN SX1262] │ │ [18650 LiIon cell] │ └────────├───────────┘ │ IP68 seal ┠────────┼───────────┬ │ Buried portion (20 cm) │ │ [TIA + HPF + bias src] │ │ [ADS1115 16-bit ADC] │ │ [ATECC608A sec element] │ └─────────────────────┘ ▷▷▷ hydrophilic sleeve ▷▷▷ │ Electrode 1 Electrode 2 │ │ [316L SS] [316L SS] │ │ 30mm long 30mm long │ │ <──── 25 mm ────> │ └─────────────────────┘ soil pore water contact
| Component | Detail | Cost |
|---|---|---|
| Conductance probes (2x) | 316L stainless steel, 30mm × 4mm, 25mm separation | $12 |
| Microcontroller (MCU) | STM32L5-series, TrustZone-M, HW-SHA-3, 512 kB flash | $24 |
| ADC | ADS1115 16-bit sigma-delta, 860 SPS, I²C interface | $8 |
| Secure element | Microchip ATECC608A — ML-DSA-65 key storage, tamper-erase | $16 |
| PCB + IP68 enclosure | Polyamide-12 housing, hydrophilic sleeve, solar panel, 18650 cell | $22 |
| Total BOM at 10,000-unit volume | $82 | |
Eight deterministic steps transform raw microbial conductance noise into an ML-DSA-65 signed provenance receipt. No proprietary black boxes. Each step is auditable.
256 bytes of conditioned soil microbial entropy after SHAKE-256 extraction. Displayed as a hex dump with address offset. Each byte reflects the aggregate stochastic output of approximately 109 microbial cells during one second of acquisition.
0x0000a3 f7 2c 18 e4 5b 9d 06 31 c8 7f 4a 02 d9 55 b1 8e 3d 71 c0 f2 6a 49 17 bc 84 2e 93 5f 07 d4 60 0x002019 aa 7c 3b e8 52 f0 c5 6d 28 9e 41 b7 0f 86 da 43 1a 78 25 ec 94 5d 03 bf 67 30 e1 48 9c 72 f4 0x00400b d8 61 2f 95 43 17 ae 79 c3 5a 8b 04 e6 2d 90 f8 36 b2 69 1c 47 d5 0a 82 54 cb 3e 71 08 fc 27 0x00606b 94 38 e0 4c 17 a5 d1 2f 80 59 c6 73 0d 4b 9f e3 16 8a 52 bf 2b 64 07 39 d2 91 5e 78 c0 1f a4 0x0080b6 4d 23 87 fa 60 3c 15 d9 48 7b 02 9e 56 c1 35 68 f3 2a 8c 14 7e 41 bd 05 99 62 d7 3f 88 50 1b 0x00a0c4 79 3d 06 b0 5f 28 93 47 db 8e 19 64 a7 2c 51 f6 30 7a 42 1d 89 53 c8 0e 75 bf 26 94 4f 1a 68 0x00c037 d0 9b 5c 22 e5 6f 18 83 4a 70 3b c9 02 5e a1 d6 4b 87 f1 2e 73 09 c3 58 95 1c 67 ab 40 7d 15 0x00e0e9 31 62 ad 04 78 3c b5 26 90 4d 19 f3 5a 81 ce 47 0b 96 d4 2f 6c 10 85 53 bc 38 7f a2 1d 64 e0
The JSON envelope emitted after signing. All fields are as they will appear in the production envelope. Signature values are illustrative; anchor_tx is a Base mainnet placeholder pending API deployment.
// Purity Receipt — axis_17 entry // Status: MOCK. Production API /v1/purity/cert/issue ships next week. // All field names, types, and structure are final. { "receipt_version": "3.0", "issued_at": "2026-05-07T03:14:22.418Z", "issuer_did": "did:hive:probe:HV-SOIL-0001", "parcel_did": "did:hive:parcel:38N122W-organic-ref-01", "substrate": "soil_microbial", "axis_set": [17, 24], "axes": { "axis_17": { "name": "soil_microbial_noise", "probe_serial": "HV-SOIL-0001", "firmware_digest": "sha3-256:9c4a2f7b...e18d3a01", "sample_count": 1000, "acquisition_duration_ms": 1002, "sample_rate_hz": 1000, "bias_freq_hz": 17, "min_entropy_bits_est": 312, "health_tests_passed": true, "entropy_hash": "shake256:a3f72c18...64e0", "commitment": "0xa3f72c18e45b9d0631c87f4a02d955b18e3d71c0f26a4917bc842e935f07d460", "location_olc": "849V9G59+G4", "deployment_depth_cm": 20, "soil_class_usda": "Typic Haploxeralf", "calibration_epoch": "2026-03-15T00:00:00Z", "baseline_divergence": 0.083, "baseline_merkle_proof": "0x7f3a...2b1c" } }, "bundle_digest": "kmac256:8f3a19c2...77b4e03d", "canonical_message": "hive.receipt.soil.v1:0x00:...", "signatures": { "ed25519": { "alg": "Ed25519", "public_key": "ed25519-pub:5f8a3d...c019", "sig": "0x1a4b7c...9f3e" }, "mldsa65": { "alg": "ML-DSA-65", "fips_ref": "NIST FIPS 204, August 2024", "public_key": "mldsa65-pub:8e3d71...b2f0", "sig": "0x8f3a2b...1c9e" } }, "anchor_tx": "0x000000...placeholder", "anchor_chain": 8453, "anchor_network": "Base mainnet", "offline_verifiable": true, "patent_ref": "HIVE-PAT-007 — Provisional filed May 8 2026" }
Filed May 8, 2026 under 35 U.S.C. § 111(b). Docket reference HIVE-PAT-007. Non-publication request filed. The provisional establishes priority for the soil microbial conductance entropy axis and the submersible probe hardware stack.
Selected dependent claims extend to: SHAKE-256 with domain separation tag (Claim 4); NIST SP 800-90B liveness test (Claim 5); geographic uniqueness fingerprinting via Merkle-committed baseline spectra (Claim 9); FSMA 204 traceability linkage (Claim 12); tamper-erase on enclosure breach (Claim 14); Ed25519 co-signature for classical compatibility (Claim 18); ML-KEM-768 key encapsulation (Claim 23).
Hive Civilization does not represent this provisional filing as a granted patent. Patent Pending. View all Loess-Lattice patents →
FDA FSMA Section 204 mandates traceability records for high-risk foods via seven Key Data Elements at each Critical Tracking Event. Axis 17 directly satisfies four of the seven KDEs through deterministic noise binding.
| # | Key Data Element (KDE) | How Axis 17 satisfies it | Status |
|---|---|---|---|
| KDE-1 | Growing area coordinates (farm GPS location) | Probe GPS location encoded as Open Location Code in per-axis metadata, bound into SHAKE-256 domain tag and therefore into every signed receipt. | ✓Satisfied |
| KDE-2 | Production date (date of harvest or origin) | Receipt issuance timestamp (ISO 8601) included in canonical receipt body and signed. Cryptographically bound to the moment of entropy capture. | ✓Satisfied |
| KDE-3 | Cultivar / crop identifier | Land-parcel DID resolves to parcel document containing cropping plan, including cultivar declaration. Parcel-document hash is bound into the receipt body (Claim 11, HIVE-PAT-007). | ✓Satisfied |
| KDE-4 | Lot code linking to traceability records | Each receipt carries a deterministic lot identifier derived from the bundle digest — the same soil noise that anchors the receipt also uniquely identifies the production lot. No manual lot-code entry required. | ✓Satisfied |
| KDE-5 | Quantity and unit of measure | Satisfied by the higher-level supply-chain agent (Farm Agent or Harvest receipt), not by the entropy axis. Axis 17 receipt is linked into the chain containing this KDE. | ○Chain-level |
| KDE-6 | Name and address of buyer / seller | Satisfied by the did:hive parcel document and the Purity Receipt Chain (Patent #11), which includes issuer and recipient entity identifiers. | ○Chain-level |
| KDE-7 | Transporter name (if applicable) | Satisfied by the Transport Agent (Axis 24 — Sensor Jitter receipt) carrying GPS and carrier data. Linked from the Axis 17 receipt via hash chain. | ○Transport Agent |
FSMA 204 compliance deadline for large entities: July 20, 2026. Extended to July 20, 2028 for smaller entities. See FSMA 204 in a Box →
Soil microbial noise is the foundational axis for any application that requires geographic attestation, organic integrity, or soil-health provenance. Four markets where the $82 probe changes the economics of trust.
USDA National Organic Program (NOP) certification currently relies on paper-based inspection records with 12–18 month audit cycles. Axis 17 provides continuous, cryptographically-signed attestation of soil organic matter, absence of synthetic biocides (detectable via microbiome-state shift), and land-management practice. The probe's baseline divergence metric flags biocide application events in the receipt chain.
USDA NOP · 7 CFR Part 205Regenerative certification programs (Regenerative Organic Certified, Savory Institute Land to Market) require third-party soil-health verification at annual or biannual intervals. Axis 17 replaces or supplements on-site soil sampling with continuous, signed attestation of microbial biomass trajectory, carbon accumulation indicators, and tillage-disturbance events — all cryptographically provable to buyers without a lab visit.
ROC · Savory · 4 per 1000FDA FSMA Section 204 requires traceability records for high-risk produce covering four of seven KDEs at the growing Critical Tracking Event. Axis 17 auto-generates KDE-1 (location), KDE-2 (date), KDE-3 (cultivar via parcel DID), and KDE-4 (lot code via deterministic noise binding) at every probe acquisition cycle — no manual data entry, no paper records, no reconciliation step.
FSMA 204 · 21 CFR Part 1 Subpart SEmerging voluntary carbon and soil-health markets (Verra Soil Carbon, Indigo Ag, Corteva Granular) require continuous monitoring data to issue Renewable Environmental Credits (RECs). Axis 17 provides the cryptographic attestation layer: a signed, timestamped, geographically-bound record of soil microbial activity trajectory that can anchor REC issuance without reliance on annual lab sampling or self-reported data.
Verra VM0042 · Soil carbon RECAxis 17 is prototype-stage technology. The following milestones reflect the current development plan. Timelines are subject to revision.
If you operate or represent an agricultural site and want to be among the first to deploy soil-signed cryptographic provenance, apply now. Beta pilots begin Q4 2026.