DemoFor public education only. These blocks are built by PisoScan from published PhilGEPS records to show how a budget ledger like CADENA would work. No government agency created or signed them, and this is not an official ledger. How it works
Transaction details
APITransaction action
PROVINCE OF DAVAO OCCIDENTAL Award a ₱997.0K contract to ADAN BUILDERS, CO.Provinces
Transaction hash:
082c48bb02bc413dee7a2c19aace6d704becf955ff595c9765b24de563c4a28e
Status:
Included and unchanged
Block:
#4,618 1,395 blocks after it
Position in block:
Transaction 6 of 224
Award day:
Nov 3, 2021 (5 yrs ago)
Value:
₱996,994.20
Project:
Construction Projects
Full record:
Accountability
Bill Sec. 3 and 19Responsible agency:
Accountable officer:
Not stated in the source. PhilGEPS does not publish who certified the award.
Certification:
Not certified No agency signed this record. Under CADENA the accountable officer would sign it with their own key.
Demo signature:
Block #4,618 signature valid Demo key, proves nothing about the governmentPublic key
Linked records: from budget to payment
Bill Sec. 5- 1. AppropriationGAA line item · Sec. 5(b)The award does not say which budget line pays for it.Not published
- 2. Allotment releaseSARO / allotment · Sec. 5(c)(iii)Not published per project. DBM releases SAROs, but not linked to individual contracts.Not published
- 3. Cash allocationNotice of Cash Allocation · Sec. 5(c)(iv)Not published per project.Not published
- 4. Contract awardNotice of Award (PhilGEPS) · Sec. 5(d)PROVINCE OF DAVAO OCCIDENTAL awarded it to ADAN BUILDERS, CO. on 2021-11-03.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)No matching DPWH contract record (only DPWH contracts are listed with progress).Not published
- 6. PaymentDisbursement voucher · Sec. 5(c)(viii)Not published. No public source shows how much of this contract has been paid.Not published
- 7. CompletionCertificate of completion · Sec. 5(d)No completion certificate published.Not published
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)COA's CY2024 audit of Davao Occidental gave a "unmodified" opinion on its financial statements (not specific to this contract).Partly
1 of 8 documents found, 1 partly. Under CADENA every step would be published within 7 working days and linked to this record.
Tamper test: try changing this record
DemoEdit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.
- 1. Record fingerprint changedstored 082c48bb02…c4a28enow …
- 2. Block Merkle root changedstored 3d42b1e6c6…861de9now …
- 3. Block #4618 hash changedstored 0c439f9edb…50e115now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 223 records. Each step hashes the current value together with the sibling shown.
- leaf 082c48bb02bc413dee7a2c19aace6d704becf955ff595c9765b24de563c4a28e
- 01 R 0869a878e3e4c5cac4a4a43d1637a289b0e9d3b539f3d6a5283816f0ab4d9cf2
- 02 L 3e6ebe8e1d5831aa33978edc194abbe811a3a2012bbf46dc3df85e4bfb4e2aa0
- 03 L ad910d3e713643cbd736fed4d36b7d7c48e58bfad1f846b69278dbf8a0456a66
- 04 R 5b1367fd29057494ce669fcfd0be267bedc5a38b2283642150fee9435542f1d4
- 05 R b0cdde847f1dcb60a624916b76022c72464b66014990e636379934db872d77fe
- 06 R c82408f3862e1d2bef11d2513cd0e6ba5e7221229b6cef99245723369eae4caa
- 07 R 6956d673bfdd3fdaf6da1bed0c250475eb0311dd266636dfb9bea49471a13450
- 08 R 28aa90db5f7d845ded9e8c589b0a9fd568ba10a857c139c33fafa520ca04a382
- root 3d42b1e6c623b0f20cd47725e65b5238ac92afdcbc6a3f4f13ed53a430861de9