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 - METRO MANILA 2ND E Award a ₱3.9M contract to A. M. CHUA JR. ENGINEERING & CONSTRUCTIONNational agencies
Transaction hash:
e6a2019e47223f2fcb3f69cb1d627327592e814400b622b3bc072851627811c3
Status:
Included and unchanged
Block:
#1,532 4,481 blocks after it
Position in block:
Transaction 71 of 82
Award day:
Aug 13, 2012 (14 yrs 3 mo ago)
Value:
₱3,862,152.48
Project:
Construction of Multi-Purpose Building, B. F. Northwest Barangay B.F. Homes, Parañaque City
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 #1,532 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 - METRO MANILA 2ND E awarded it to A. M. CHUA JR. ENGINEERING & CONSTRUCTION on 2012-08-13.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 e6a2019e47…7811c3now …
- 2. Block Merkle root changedstored 2edc471836…2702a5now …
- 3. Block #1532 hash changedstored 5c081bfc9a…e13e69now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 81 records. Each step hashes the current value together with the sibling shown.
- leaf e6a2019e47223f2fcb3f69cb1d627327592e814400b622b3bc072851627811c3
- 01 L e3d392af870f79f98b59be551cd9a39f5f479bb3ecf8171d43c60bbd07a12191
- 02 L 895ab27baa1a8850d202be1283dc160514a53402f29f944e85c2c0e9531c6589
- 03 L f563cb40ca55908fafaab4cd63df37a99d2fcddb47492918ee99761e8cc0762b
- 04 R 6f9c41e5e5a6c2b7817e71adcf6eed4695bf8072df20cef068fec5d8456d135d
- 05 R 4d2b6f2276831b96e72010b626b6154d661a66bc39030053791fd6e0d53211c2
- 06 R 1e3f9b6b98129bf06218b997e6a73e9ad2ae179ed0c26aecc36b56f55979d30e
- 07 L 445485814b04b6d8d9fef0a4cefe57ed36b0c5109dbd5005106eb971cc24bb10
- root 2edc471836caa0b461d1796530868c07975ed2529478f07e3403e720372702a5