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
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION X Award a ₱4.8M contract to AL-HAYAT CONSTRUCTIONNational agencies
Transaction hash:
fa1fcbfbc6e94b6b2837d348951f36b3ec2e6e1b174827f16cdc78fbef4ae3f7
Status:
Included and unchanged
Block:
#4,956 1,057 blocks after it
Position in block:
Transaction 341 of 346
Award day:
Oct 24, 2022 (4 yrs ago)
Value:
₱4,801,484.30
Project:
22K00172
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 #4,956 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)DPWH lists the funding source as "Regular Infra - GAA 2022 CSSP", i.e. the FY2022 GAA. The exact UACS line is not given.Partly
- 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)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION X awarded it to AL-HAYAT CONSTRUCTION on 2022-10-24.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 22K00172: Completed, 100% physical progress.Found
- 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)DPWH marks the contract "Completed" (end 2023-03-06). The certificate itself is not published.Partly
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
2 of 8 documents found, 2 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 fa1fcbfbc6…4ae3f7now …
- 2. Block Merkle root changedstored 0fc9009302…7124d6now …
- 3. Block #4956 hash changedstored 115a7aff0a…7b1805now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 345 records. Each step hashes the current value together with the sibling shown.
- leaf fa1fcbfbc6e94b6b2837d348951f36b3ec2e6e1b174827f16cdc78fbef4ae3f7
- 01 L f9ef1b508b78269130903d2fa20e93d8ce9ca6844c7e81a9f02adc53b8c363d8
- 02 R 22ce2466352a836ece30ac1c9b0da24557cc5f64cb7392bcf15ff77180792fc0
- 03 L 7ae1dbd922572c9ee40558f9ee00239fc03327741a833d05e8e54b48b21bfd48
- 04 R 2d312b8dc11480a16e1c93e2ee53df2f60c4b53e60d7b1f69990f6f2939475f0
- 05 L 3565ef744bb59d2bde7d4fd934216c4141ec4d4d0284fddb7ea4d8e0184fe84a
- 06 R c68d3d0a2da8c4885d840a37089855a8f5dce0658fca9b011cf5fc55e41e11e5
- 07 L 0676834c0d2ece94f4735d87623271942bcfb2670d33c2bf663d6a3220e683c5
- 08 R b12147432efabafde7d9b672dca4c7e5744baf49e893c9d382380aa41270baba
- 09 L 6ce0bf63dc7c91982b354ee3256078cd814e724da58445106ccff17eb748e88b
- root 0fc900930296219f93f2daed3d220e5bb63d60aaa208caf4a5ec9c256f7124d6