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 - LAOANG NORTHERN SA Award a ₱2.1M contract to ACF CONSTRUCTION AND SUPPLYNational agencies
Transaction hash:
822cad9fdff93ef1b1d3c4e15c77798df7842088e776db3c5ea8573db42532ee
Status:
Included and unchanged
Block:
#4,520 1,493 blocks after it
Position in block:
Transaction 134 of 277
Award day:
Jul 27, 2021 (5 yrs 3 mo ago)
Value:
₱2,133,752.66
Project:
21II0077, Repair/Maintenance of DPWH Building
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 #4,520 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 - LAOANG NORTHERN SA awarded it to ACF CONSTRUCTION AND SUPPLY on 2021-07-27.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 822cad9fdf…2532eenow …
- 2. Block Merkle root changedstored 1b20ce61e6…10d4f3now …
- 3. Block #4520 hash changedstored a61c5afc0f…0dad09now …
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 276 records. Each step hashes the current value together with the sibling shown.
- leaf 822cad9fdff93ef1b1d3c4e15c77798df7842088e776db3c5ea8573db42532ee
- 01 R 83a96ccbcd01bce33e4223a742e4858cf9ce4e5ba881c833ecf681a4630411fb
- 02 L 00b53a8a1336aa0d7974b8b59e8fd7fac536723e7a71bd9a683dd7ce294a5956
- 03 L 1160ccfdb07de751ed61b7b3a7f244b66fd100eca17b2108ed32f26475cb7d87
- 04 R ebf3d7bc5ebfb18c66c01d7605fdf937c7769cc45ec73dcf0d9f079ceb0e4a38
- 05 R 6c4f56975e54a36f51926009de8e0f046cd5ad2ecd4f0300b8f0bf1bc486959f
- 06 R fbc76e08ad267d69600a7d5efc470ad592be68bf2fd66e84f64a95a1da271e2f
- 07 R 454980b7c4b453aa2c15abcc34055d461a62d1e756e9334e1b3a871bd796e90e
- 08 L abb0ef81be9e015c68f4172becc8bcf62c78b8c0e55a02d9225f95a9bcb4f0dd
- 09 R a8ea9db3430c6550c62467992232b271966d76af7d1f9b00245a9dd48f65a03c
- root 1b20ce61e61842e681fc86feda646cfe3aa35bf2cc569fbe410535629f10d4f3