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 - NORTHERN SAMAR 1ST Award a ₱2.5M contract to VCD CONSTRUCTION AND SUPPLYNational agencies
Transaction hash:
394eedcfb486cbf7ee8ece51ccc324a31a8dbff4879a36d7d9016f7e24afc89e
Status:
Included and unchanged
Block:
#4,544 1,469 blocks after it
Position in block:
Transaction 41 of 183
Award day:
Aug 20, 2021 (5 yrs 2 mo ago)
Value:
₱2,464,358.08
Project:
21IH0101
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 #4,544 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)The award does not say which budget line pays for it.Not published
- 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 - NORTHERN SAMAR 1ST awarded it to VCD CONSTRUCTION AND SUPPLY on 2021-08-20.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)No matching DPWH contract record (only DPWH contracts are listed with progress).Not published
- 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)No completion certificate published.Not published
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 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 394eedcfb4…afc89enow …
- 2. Block Merkle root changedstored bcda9eac4a…78ba96now …
- 3. Block #4544 hash changedstored 344e2af578…b5280bnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 182 records. Each step hashes the current value together with the sibling shown.
- leaf 394eedcfb486cbf7ee8ece51ccc324a31a8dbff4879a36d7d9016f7e24afc89e
- 01 L 3673d514ae0e44680f77ba50029f543a8efc4a23e130efe24d84dfcb37716f47
- 02 R f776440791e4d1145e04a871554820312b8faf8a42ba62b2f49fe5291c6e4821
- 03 R 44a5cb2251c2afdd9783a7d55f422d43adf748e2cb9be07677daf684d23901a5
- 04 L 59e1408330d79a48b2007c9874dc2b44ae28315e1bde7cf6dcfe065c0761ec70
- 05 R 76260fa323d0cbfad7056164a121ed5572de371010d8f8bba7451a46e9f0d758
- 06 L 05806976d17d6b58024c9fd741c9cd0bf7e05c62232f732a6dc2986600e86852
- 07 R 566a4564ddb94a1422fa498e4773c17e2eab102507035d3052b678a5c021b1a5
- 08 R a4d4ef77861356c672007d6f712f9c655b56cd006747a667e2cf1105934c79d7
- root bcda9eac4a9c64906fb1036df0a2a9813d4faf01b1f227ef622944cfa878ba96