Public proof · IOEN dMRV · Biochar
Cagayan Valley Biochar 01
Jan 2026 verified
Net carbon removal (this period)
406.2 tCO₂
Location
Philippines
17.61, 121.73
Feedstock
napier_grass
charmaker_cpp2000
Puro project
PURO-PH-BIO-2026-001
MAT 25.5°C
Batches in period
27
Source records
Carbon accounting
| Gross CO₂ removal | 683.9 |
| − Process emissions (LCA) | −6.4 |
| = After process | 677.6 |
| − Buffer pool | −67.8 |
| = After buffer | 609.8 |
| Net CORCs (× permanence) | 406.2 |
Per-batch LCA breakdown not recorded for this period (batches ingested before LCA capture).
Independent verification
- Satellite land-use: confirmed
- NDVI (vegetation): 0.73
- Fire events in period: 0
Lab analysis (accredited)
- H:C molar ratio (mean): 0.448 — drives permanence
- PAH (max): 2.9 mg/kg
- Quality: pass (1 result)
Analysed by: Eurofins Biochar Lab (DAkkS, accredited to 2027-12-31)
Certification
Puro.earth (eligible)
Third-party audit
Status: none
A report is eligible for registry submission once audit is complete with no open flags.
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Integrity
SHA-256: 6e9d7cac48f02ed648981b47e36a0c48d03877744802872ce61dfdcc7fb748d7
Independently verify this report →
Tamper-evident hash stored off-chain (D1). On-chain anchoring + CORC tokenisation arrive in v2.