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 - QUEZON 2ND ED Award a ₱4.9M contract to ROMHEAD S.J. BUILDERS & DEVT INC.National agencies
Transaction hash:
bb9d670248df0037bbdd990e041f0e918805aadf601553abc8dabf2f2576dba4
Status:
Included and unchanged
Block:
#3,960 2,053 blocks after it
Position in block:
Transaction 241 of 353
Award day:
Dec 9, 2019 (6 yrs 11 mo ago)
Value:
₱4,875,500.00
Project:
19DJ0132
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 #3,960 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 - QUEZON 2ND ED awarded it to ROMHEAD S.J. BUILDERS & DEVT INC. on 2019-12-09.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 bb9d670248…76dba4now …
- 2. Block Merkle root changedstored a5c5c8a607…1506f9now …
- 3. Block #3960 hash changedstored 44de4da4ce…9b969enow …
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 352 records. Each step hashes the current value together with the sibling shown.
- leaf bb9d670248df0037bbdd990e041f0e918805aadf601553abc8dabf2f2576dba4
- 01 L b9c39db6325e4ac0758cbd1ad59ca747154037517b85a7cc2d3b09668907f4df
- 02 R c3f41357d3b9cf7e3a2c7da7fe83caebf890f3c52d9ce0ee6b697436f314525f
- 03 R a446266127dde68b69d6d0e301a8d6f8c741ca6b189f0262a0778e280825dea0
- 04 R 198772c76ed8de988a3f4c2472e9f4bff8379bebe32b9afc6665e8255852e9a2
- 05 L a02a5faf083e8119a10cda2b76b77023d11ce1f321ddab5a05001674275a6063
- 06 L ff5cdd97a48b064012a8d016313969c2b7ffa8829771963a586dfb92a7d33bc4
- 07 L 779246f4bc27547c101dc8f0849ddb61b2b5950944146f695d2e4ff8064c4f9c
- 08 L 3d7d9b88dad38660361bf3dbf74ddfff430d3dbac475b142890e558edb298ffe
- 09 R 62d0d9c6475ae177660d4909efc202aceb78e0843f60f4fb655622add95f9155
- root a5c5c8a607200958569e4ffe22420b89c8c9430ce039f53f1bbde258c81506f9