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 - QUEZON 3RD ED Award a ₱7.2M contract to TONWAY BUILDERS AND SUPPLYNational agencies
Transaction hash:
980687b819c19bc3decf5cb9460612439ac0516a534882c92dd70dc1bd0813b9
Status:
Included and unchanged
Block:
#5,754 259 blocks after it
Position in block:
Transaction 233 of 401
Award day:
Jan 27, 2025 (1 yr 9 mo ago)
Value:
₱7,202,997.67
Project:
25DM0043 - Construction of Multi-Purpose Building,
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 #5,754 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 2025 SSP", i.e. the FY2025 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 - QUEZON 3RD ED awarded it to TONWAY BUILDERS AND SUPPLY on 2025-01-27.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 25DM0043: 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 2025-08-20). 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 980687b819…0813b9now …
- 2. Block Merkle root changedstored 1dd7f12e22…4bc480now …
- 3. Block #5754 hash changedstored db0680fddc…7d1ddenow …
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 400 records. Each step hashes the current value together with the sibling shown.
- leaf 980687b819c19bc3decf5cb9460612439ac0516a534882c92dd70dc1bd0813b9
- 01 L 9790beecc0587036405e6068db070b71a54b93e2c27c6329689aa1235e07aac1
- 02 R 854e575c9622412ccf19d85babdb966b1cda1797b5f168f04d5fe0757e02871f
- 03 R d99d4a735029c85758d7a5ccc4a53d10979660c0be65104c32ecec2f50f1dda8
- 04 L 9c556205a477e3a00b6dd8925719e8aa49941aa60f7f3a16b37839bec44396a7
- 05 R 740255a710057dcbdeb689dc737522fe29eb58e8a08cbfcb108d09885f2da62f
- 06 L 43b8bb079b8fc72a7fa9af43eb232c7b526d7fec4ebe7e6a2389f654a27194d3
- 07 L 1dff40e3c0c54f450c56096aab54f35d6627f6dfbcc46d4a6ef3362a7baad97e
- 08 L 750f4ff0f3954a6f3162819ecf373db7592cb9d51b3a2bb0c373e88fcaf9d8a3
- 09 R 6e96fcb18fe2183affc9fb3ad037c8e69a2cff1baae7f64e8c0049cafbb5d221
- root 1dd7f12e220e0b84bfbd8b9f952f624a82de77fd02f5f60133348f970d4bc480