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 III Award a ₱7.6M contract to M.R. SANTIAGO CONSTRUCTIONNational agencies
Transaction hash:
f91f8f4d09a3d73f504bb1cae4883e5e30daa67490e1ce9d646bb941d7c7b8b9
Status:
Included and unchanged
Block:
#5,679 334 blocks after it
Position in block:
Transaction 335 of 345
Award day:
Nov 12, 2024 (2 yrs ago)
Value:
₱7,555,935.95
Project:
24C00136
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 #5,679 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 2024 OO-1", i.e. the FY2024 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 III awarded it to M.R. SANTIAGO CONSTRUCTION on 2024-11-12.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 24C00136: 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 2025-01-23). 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 f91f8f4d09…c7b8b9now …
- 2. Block Merkle root changedstored 7d85117e7b…d9a6b8now …
- 3. Block #5679 hash changedstored bae34a2ecb…f74c9cnow …
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 344 records. Each step hashes the current value together with the sibling shown.
- leaf f91f8f4d09a3d73f504bb1cae4883e5e30daa67490e1ce9d646bb941d7c7b8b9
- 01 L f8cf2bee23e062205a92a5f27df4190414aef9a011e5d3517c6f63b5e0377e61
- 02 L 22a2572f9c61560debf2fa9f96fbeb1c988850e772aa636e11355b1186f39f87
- 03 L 71ddad04c4485d8e96e4094a45c5e5d9b1b48a7dfbfd398ff2045995d4c9bddd
- 04 L 7a5df51eb26854b56ffa2441a324512884c1f286f179473e815620a7e64554e5
- 05 R 3803241b38836f1a1f2fb79c2ae90aae8a43b026bceca7ec4b9b45abbdad1009
- 06 R c606618ceec0f230e24e111f94f714d39fbe8c520db3e0e3a7eccdd4591730af
- 07 L b43dda286cea0006e6445146bd649322315a6834736ce096f390d00ada6368d8
- 08 R 3132bb08dc5893ec1199b23118fdd466d787760879c4a1f114302046830ea57b
- 09 L 75750d65b6b67b1da5889f4fdff0f75cf09a8b61f9a862b1fbbe1e99da6abfdb
- root 7d85117e7bd6ac6e243cdb62fb20858f6dd9dc863b91db61bbcdfad044d9a6b8