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 - BULACAN 1ST DEO Award a ₱3.9M contract to TBB CONSTRUCTION CORP.National agencies
Transaction hash:
f794a8b5ff384e0aba0d01ff9beb887b45e68e5f9c9f77a7e88ed225bab3c2b1
Status:
Included and unchanged
Block:
#5,133 880 blocks after it
Position in block:
Transaction 542 of 558
Award day:
Apr 24, 2023 (3 yrs 6 mo ago)
Value:
₱3,878,600.65
Project:
23CC0396-Completion / Improvement of Multi-Purpose
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 #5,133 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)DPWH lists the funding source as "Regular Infra - GAA 2023 CSSP", i.e. the FY2023 GAA. The exact UACS line is not given.Partly
- 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 - BULACAN 1ST DEO awarded it to TBB CONSTRUCTION CORP. on 2023-04-24.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 23CC0396: Completed, 100% physical progress.Found
- 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)DPWH marks the contract "Completed" (end 2023-07-10). The certificate itself is not published.Partly
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
2 of 8 documents found, 2 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 f794a8b5ff…b3c2b1now …
- 2. Block Merkle root changedstored 3775c5bef9…b42542now …
- 3. Block #5133 hash changedstored 9cad3f707a…93fd66now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 557 records. Each step hashes the current value together with the sibling shown.
- leaf f794a8b5ff384e0aba0d01ff9beb887b45e68e5f9c9f77a7e88ed225bab3c2b1
- 01 R f7e9a2bf1b9680481f1f634a02edeba716539ca7ae69a276eb570dff5d779696
- 02 L 082d10b599ce5ab3dbc16e6a617de9d02be1dc0faedfada21ff0fbdadd9df7a5
- 03 L 039c6f4705ecf6d692da1bc1fcfa5f7dd16c29e4918ebffb688f49301150082b
- 04 L 844364a93563bcaf46cb5ca3b721b4b3996b081f332be7b32fbed86e24d5ff17
- 05 L d30c72e082d8c9957c2630a4f7603f86e794e85f729f3e0c2e3db1260bfe2dcc
- 06 R 6f4954feae0ca7f768764b3c3c557936b267b21aeed814e0809af01933b4ce07
- 07 R 1f5527ff4927c5b2c3994deac2204f6b04f67e59d0f04f9a6dd212016a6f456a
- 08 R 1e66fe6609b983030a1995d0acc9abead48674d3607c494ad93702e9dde2d784
- 09 R 1e31446a4bd152294e58b02e9a7bc202ee8d2d7f1620b1f29a476d187520838a
- 10 L 59fa5787fe9933b13a2be31987617d51ed662fc485d36dfcbdcbaad23acdaf0b
- root 3775c5bef9e78777fd75bafbfd65cbc7b6c2090afc6fc3734366200e9cb42542