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 I Award a ₱38.1M contract to AJ TAYLAN CONSTRUCTION CORPORATION - LAOAGNational agencies
Transaction hash:
2ca31f590e8d4c2b7d38b1306c0379d8a0f24df4082dd8f8fd64346dd7ae87f6
Status:
Included and unchanged
Block:
#1,986 4,027 blocks after it
Position in block:
Transaction 25 of 164
Award day:
Jan 30, 2014 (12 yrs 9 mo ago)
Value:
₱38,081,951.39
Project:
14A00006
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 #1,986 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 - REGION I awarded it to AJ TAYLAN CONSTRUCTION CORPORATION - LAOAG on 2014-01-30.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 2ca31f590e…ae87f6now …
- 2. Block Merkle root changedstored 83451df272…71dfbcnow …
- 3. Block #1986 hash changedstored 84f5d7df28…6aeb66now …
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 163 records. Each step hashes the current value together with the sibling shown.
- leaf 2ca31f590e8d4c2b7d38b1306c0379d8a0f24df4082dd8f8fd64346dd7ae87f6
- 01 L 29b4e05b94700ec7db57b6a1f9142d3b59ea683d2c6b826b18587d537ddfddd9
- 02 R 766b01830ef084ef45854249f62a784073f5d3ea40f80392e360bd4c5700a788
- 03 R 480cc6ab49d8c8e0839c3b45ccf339a7639500bcb7c657ad97db5b1700d5c71e
- 04 L a31d8b1bc0b2065ed0bccbe161cb0fe3a609d313eb645a2a2307ceb55ff00ead
- 05 L 90f5f833f6979d9fd2179cc935bf287d41ffb9a501d88545e04a37a988a977ca
- 06 R 7575ef8c976d33af17d6b15c874790b9f8c8374494e824b73217478ce2ef260e
- 07 R 4796ee7b3090ef4044bfc0d21b8763bcfb99f6d42a8390a412bbd44bf3ab81f2
- 08 R fb21cd9527cb53fa8858cc2aef5b38ed0fe6f51d34cbcef9e4a4ddcaa0ee864e
- root 83451df272a626c6512efc9bdc0b0ad43991f3bfea478ee0e096d71ba471dfbc