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 - NUEVA VIZCAYA 2ND Award a ₱35.0M contract to BRG CONSTRUCTIONNational agencies
Transaction hash:
4ab2da084e264254c076b51044b6897ee3ff3ae29a809d8a9f60be3a6a0fbb1d
Status:
Included and unchanged
Block:
#4,710 1,303 blocks after it
Position in block:
Transaction 122 of 394
Award day:
Feb 4, 2022 (4 yrs 9 mo ago)
Value:
₱35,045,046.19
Project:
22BJ0036 Rehabilitation/Reconstruction/
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 #4,710 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 2022 OO-1", i.e. the FY2022 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 - NUEVA VIZCAYA 2ND awarded it to BRG CONSTRUCTION on 2022-02-04.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 22BJ0036: 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 2022-10-15). 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 4ab2da084e…0fbb1dnow …
- 2. Block Merkle root changedstored bb564bca81…39be73now …
- 3. Block #4710 hash changedstored 593bb69dfa…d9218dnow …
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 393 records. Each step hashes the current value together with the sibling shown.
- leaf 4ab2da084e264254c076b51044b6897ee3ff3ae29a809d8a9f60be3a6a0fbb1d
- 01 R 4b9fbc432d2424010c50cecfb2d3578e91e6680f52d433ab8c7d48b129337b06
- 02 L cb591a57ca08f912725cb432ec6c6950d609f23aa511af8c6b9e5d4cd1d2c0f2
- 03 R 4f13ffb51ee459e63f26a6b6117b2672b1e5bcb27fb7c8e651110e702456f1b1
- 04 L d96ff25231b8982a72f88376f500be06eab6d49e8d2eae86a130643fba04ffa5
- 05 L 57f429203a53939e7bd202cff1038372420bf76679f5530dded223a57e53153e
- 06 L aeb22c87468fcaabccf04c92ab2480e4a80246c84951aa4b021c71019dcdfcab
- 07 L b82c61a3434adea89dfa0c45e5e9b2691a5a48e474096f3d41fc19ac8361b9a0
- 08 R 7f6f0e59c9804663d2f5a56a579356d52a87e085249c615ae5089bbed62ff382
- 09 R 06815108adffdcec7502ff2e90d220f8410025092390678f687bb3a872e0da9c
- root bb564bca81926af68b551fae780f697a2bd7b2fd963eaca5e05978140139be73