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
PROVINCIAL GOVERNMENT OF CAMARINES NORTE Award a ₱2.0M contract to O.L. DE LEON CONSTRUCTIONNational agencies
Transaction hash:
c43ab7c294ae60102bcda0ce16108fce7d809dbe2fb7a1e170992d2fad8e8ad9
Status:
Included and unchanged
Block:
#5,807 206 blocks after it
Position in block:
Transaction 854 of 1,132
Award day:
Mar 21, 2025 (1 yr 7 mo ago)
Value:
₱1,989,270.51
Project:
Concreting of Farm to Market Road
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 #5,807 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)PROVINCIAL GOVERNMENT OF CAMARINES NORTE awarded it to O.L. DE LEON CONSTRUCTION on 2025-03-21.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)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 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 c43ab7c294…8e8ad9now …
- 2. Block Merkle root changedstored c13f4a0c6a…9c16a9now …
- 3. Block #5807 hash changedstored 3382cf9220…94368fnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (11 steps)
How this one record is tied to the block's Merkle root, without needing the other 1,131 records. Each step hashes the current value together with the sibling shown.
- leaf c43ab7c294ae60102bcda0ce16108fce7d809dbe2fb7a1e170992d2fad8e8ad9
- 01 R c4578e8e8aaa812c00390dbc4cd69b711b7b0511da084681b78071f464126f1a
- 02 L 217465ec1f23d75f2b8a2d7a642a0e12d6b9c5ec4c57f19cf913ad1d670e7afc
- 03 L 038e44df230de5e23ea3177295ae0a3bad65008168685d19b517872c180abf4f
- 04 R 17f2b1cac09756fc09ac8967ea8df0d0f91a952d589b1f9b03c2d70f12e83e57
- 05 L 04d73fb9db710f1fa150349b5905e7cecf27cba9c466975ead41dfc6bebba0ed
- 06 R 85abf1992f9f4297104c4679aca796f24ac4729a410d8dd99a3d5f0b9452d26d
- 07 L 9e60ba639cfe3de1f3ebc780c5fbd727213c2ba44748799f1a3a1dc708f4fc48
- 08 R f327d478b6103a8c5f9c306bd2bc41e7484c4e80ead8cb80b624fec386a0e458
- 09 L 5f37525cef94c188be5dda86be7fd306710b048e8245de96b5ff488a80e56ef9
- 10 L f30aba8eedd53198486d213fc32b2413ac288840dc5749751240d49b71a000e5
- 11 R d32fc04837aaa0fc0d7aaf6432a022182fafbd4c04d93720356026ef7bb43124
- root c13f4a0c6a3fcf602ad4d9b44566daa246c057f271816fdddb5e537c0d9c16a9