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 - NEGROS ORIENTAL 1S Award a ₱1.9M contract to NAKKA CONSTRUCTIONNational agencies
Transaction hash:
b4430f4fd5e94b9537cf5ee71d476b0a05b1778022f9be37f2387845d83a9b86
Status:
Included and unchanged
Block:
#5,371 642 blocks after it
Position in block:
Transaction 350 of 496
Award day:
Dec 28, 2023 (2 yrs 10 mo ago)
Value:
₱1,923,946.99
Project:
Construction Project
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 #5,371 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 "Outside Infra - Unprogrammed Appropriations 2023". 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 - NEGROS ORIENTAL 1S awarded it to NAKKA CONSTRUCTION on 2023-12-28.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 23HJ0140: 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 2024-03-03). 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 b4430f4fd5…3a9b86now …
- 2. Block Merkle root changedstored 172e1443be…52035fnow …
- 3. Block #5371 hash changedstored abb1e12278…7f6cd3now …
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 495 records. Each step hashes the current value together with the sibling shown.
- leaf b4430f4fd5e94b9537cf5ee71d476b0a05b1778022f9be37f2387845d83a9b86
- 01 R b44befa1d32f4e1d8114c16662fd1437a47ef05dd98ff5a8a0a7c658c1965702
- 02 L 72eee468aec01f79061082b1e860ae0336accb60b28770d1987d208bfaf8188f
- 03 L 623c5971f62a000809babcbc4f996d8de9c018b8c3522a4fdc6333c8b4730183
- 04 L 6d3bcc7db65dcbc2b56012759804fbba8103eb64e40f797c92451a6311113b59
- 05 L 53751cb7782c72a287a15d6a76584ba0c474bd653b148045bd44f50e49d506e4
- 06 R eea7c852ca3199597122f8e991b96b3e3f9f6b4c84e66e5c715b3dace7045661
- 07 L 66420983a7b20fd4046b379a2986bd783ec9a39eb67a18aad24affeec6cae76d
- 08 R 93ba332369f794656f212ec1a76064c7c4f563b429723a662f19be4dfb97ff4b
- 09 L 45021eac9343fea5cd68a19a0733cb2a43a7d3a7b1e84dbf9cee09f5dc972f1d
- root 172e1443beeb32b269f75e362c02b4083c6bfa4327a718e9c324732d4e52035f