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 XII Award a ₱106.0M contract to VICENTE T. LAO CONSTRUCTIONNational agencies
Transaction hash:
d3efa42831ec2cc8622ed2500bd90e928145f1a5109dfcfcc51e65e74687893e
Status:
Included and unchanged
Block:
#5,222 791 blocks after it
Position in block:
Transaction 271 of 328
Award day:
Jul 24, 2023 (3 yrs 3 mo ago)
Value:
₱106,044,862.40
Project:
23M00083
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 #5,222 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 2023 OO-2", i.e. the FY2023 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 XII awarded it to VICENTE T. LAO CONSTRUCTION on 2023-07-24.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 23M00083: 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 2024-08-26). 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 d3efa42831…87893enow …
- 2. Block Merkle root changedstored 8568a4c4d4…6aa6ccnow …
- 3. Block #5222 hash changedstored 32f9331faf…4b79f9now …
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 327 records. Each step hashes the current value together with the sibling shown.
- leaf d3efa42831ec2cc8622ed2500bd90e928145f1a5109dfcfcc51e65e74687893e
- 01 L d2a29826a9a71d9556202fd17523dcee12e96a3638220120cac6c2bcf8796468
- 02 L 19ecdd68e1e68396a335cb2e24988803ecb7ef97301c82424fcc315d4c8ba66e
- 03 L a8701be6714dbe25d69fef36fa369b37f1435bea3a3147b4923fabd948d0d584
- 04 L 8f7dea50ec1c52e5f42600efc773919a4a12db22becb4988461742f319ea2373
- 05 R d55d2b3210630a50a368b4486439811d85d5b440e4b336ff53fb49b4898f1b9d
- 06 R 4157cb991095716d332ff07dbd2ecc88a9e9ef4743f42a2cd54fa8ab2e88c0d1
- 07 R 51701ce45e7a133761b84decab8b4430b29e74ef8b19007b559707cdfddd98aa
- 08 R 3c0f7e68ca0ee7734a842f89a62b614e12e294a51e105abcef6e2727f3897569
- 09 L 80d81b72809948d6a8f36c981c9eae3a9b99f2cdb18ccca411b95603eee2bdfa
- root 8568a4c4d446644db05beb75dfee7faba345b64236ecd575731885a1036aa6cc