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 I Award a ₱93.6M contract to UNIVERSAL DE LEON CONSTRUCTION & AGGREGATESNational agencies
Transaction hash:
de59efbd124d0c62b048cb3ca43345baf98d67be0d8eb942a31a7a2ab1a8ccd2
Status:
Included and unchanged
Block:
#5,481 532 blocks after it
Position in block:
Transaction 585 of 662
Award day:
Apr 23, 2024 (2 yrs 6 mo ago)
Value:
₱93,621,150.24
Project:
24A00496
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 #5,481 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-2", 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 I awarded it to UNIVERSAL DE LEON CONSTRUCTION & AGGREGATES on 2024-04-23.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 24A00496: 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 2025-01-24). 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 de59efbd12…a8ccd2now …
- 2. Block Merkle root changedstored 083b263a55…455752now …
- 3. Block #5481 hash changedstored b8308482f1…3d2a05now …
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 661 records. Each step hashes the current value together with the sibling shown.
- leaf de59efbd124d0c62b048cb3ca43345baf98d67be0d8eb942a31a7a2ab1a8ccd2
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- 03 R 66981f2d66340255cbd92f712fcf1390b0a331c56e8bbf2037590a819d030eae
- 04 L c08397d4e944ccf8d1859e0f834c14c0ae4efe53f0793a9e99f39515ee0248c5
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- 07 L 02e027ba29ad2b679fe13cd4cdf906f6eceb4e24f213c150bf34820f7f1fee37
- 08 R bb21e3cb91ec4503cd72d963df34083c3e70ccb640b67e8c2f8f927c6c76e43a
- 09 R 167cf19ca48122c84a59d0f971ec3422db560546ffd52dad5031cc9457870241
- 10 L c27bcf7e36a9c4444b6287f42856829731dbd315b7d2c55e1a6eacb663f7aa69
- root 083b263a55eb528e044394c4334b0921898951c87c518c56b5d9618b6c455752