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 - NEG. OCC. 4TH DEO Award a ₱14.1M contract to ONE TERRA BUILDERS AND CONSTRUCTION SUPPLYNational agencies
Transaction hash:
a1caa8ce695f93cf4166fbc083c9ceb82bef3a1c11753bce1ea486ba5848631a
Status:
Included and unchanged
Block:
#4,454 1,559 blocks after it
Position in block:
Transaction 137 of 208
Award day:
May 19, 2021 (5 yrs 5 mo ago)
Value:
₱14,146,047.20
Project:
21GN0094 - Widening of Permanent Bridges – Bagonaw
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 #4,454 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 - NEG. OCC. 4TH DEO awarded it to ONE TERRA BUILDERS AND CONSTRUCTION SUPPLY on 2021-05-19.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 a1caa8ce69…48631anow …
- 2. Block Merkle root changedstored 2af46f1668…7eac57now …
- 3. Block #4454 hash changedstored b0756c86c4…b173danow …
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 207 records. Each step hashes the current value together with the sibling shown.
- leaf a1caa8ce695f93cf4166fbc083c9ceb82bef3a1c11753bce1ea486ba5848631a
- 01 L a1a07c456ed0e70bfeaa3df7de462506c764a7cdaf63df5f90a958e62635ef4c
- 02 R 0325179746608212ccc04db2c35e94678dc42b97c0ee649838f3bf0f69a28256
- 03 R d7a4305ed66ddd70b141c0bbb1d9966a157df6593effc245e7d5de8c565499d2
- 04 L b64ab2b15d1290edb9f90cb1592ff1336556204fa1266211c5cf3dab3eaa413e
- 05 R 2a7d88db351aa98dfa0d163924643737b1bb4f988adfbca0ed46fa853eea0b9e
- 06 R f38c49cd63fca7c54476ba59a03f163a8026b81ab1901680e8b6beca0934ce12
- 07 R 05f91b29c54f1a0ecbba272c7c74ea56ef10234b3cd42bfa4427ba1d507e206c
- 08 L b1b88cc2fa7fc454aa81270b1b99c26ee2ebb6307720476dc74c6446b25fca44
- root 2af46f1668b84811fe66c84eb0d031d1d6b9c9208f5f098d70214ed8557eac57