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 - PAMPANGA 2ND DEO Award a ₱29.1M contract to ARROW CONSTRUCTIONNational agencies
Transaction hash:
b2f5160e8a1ca7171b07fce00535515b2d2bfb72130c6d1d37ed1ea65f4bb51e
Status:
Included and unchanged
Block:
#5,758 255 blocks after it
Position in block:
Transaction 491 of 683
Award day:
Jan 31, 2025 (1 yr 9 mo ago)
Value:
₱29,076,007.18
Project:
25CH0022
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 #5,758 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 - PAMPANGA 2ND DEO awarded it to ARROW CONSTRUCTION on 2025-01-31.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 25CH0022: 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 2025-06-23). 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 b2f5160e8a…4bb51enow …
- 2. Block Merkle root changedstored c1e8a3557a…dd7f3fnow …
- 3. Block #5758 hash changedstored c383aa1352…483592now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 682 records. Each step hashes the current value together with the sibling shown.
- leaf b2f5160e8a1ca7171b07fce00535515b2d2bfb72130c6d1d37ed1ea65f4bb51e
- 01 L b2ca3d6c54a54a176fde16368695cb4f047578e9cad0bbfb4faec17559c44148
- 02 L d2d0fa3f74e77208845ccb9ee9cddd6d276e9f108aaa8d1e7124f6d92c7f225b
- 03 R 580819fde8c30a48a2b0566592e6daaf86fbe308c557655ffda0ed5377782032
- 04 L 6b816efc1e3360d34f72dd16c71330e4ea2c4b1cbb02a013898648d61b734e5d
- 05 R 74a8f347b6e7a09fa21d0f3970583ea73d2babc1d9cb09486f93b9c2d9546043
- 06 L fb241da56f11cd789bd4da9b62aa100b449edce0eec3a2385125689d6e896e27
- 07 L 9c99dfcbe1ab2c3b358dceb28528a080b4812b53ce0c043afa8ea4e231c96b47
- 08 L 1ef8007a1a048822752283fd9dd622af3207a78545ba7a48526caf3ee0cb2cb1
- 09 L 00e8a01c1d2a4227469c9948650b7b6776b0d84f788f05f57e80e382650944eb
- 10 R 2f2e381aabd4e2164147e5fea2f47e72b6dc9c289729f8cd93750dcc4f23be4e
- root c1e8a3557aeb0094333ea09462f4f1f23076f7f444f6395ed0580a58f8dd7f3f