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 - SURIGAO DEL SUR 1S Award a ₱3.0M contract to TRIDENT ENGINEERING SERVICESNational agencies
Transaction hash:
4969ff3b2d5342c87101293a39a6101ac54c5716d03bfe26b90fd74b4a6ce0b5
Status:
Included and unchanged
Block:
#5,122 891 blocks after it
Position in block:
Transaction 108 of 425
Award day:
Apr 13, 2023 (3 yrs 7 mo ago)
Value:
₱2,991,736.43
Project:
23NH0007
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 #5,122 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 OO-1", 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 - SURIGAO DEL SUR 1S awarded it to TRIDENT ENGINEERING SERVICES on 2023-04-13.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 23NH0007: 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 2023-06-19). 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 4969ff3b2d…6ce0b5now …
- 2. Block Merkle root changedstored e36b9e354c…025527now …
- 3. Block #5122 hash changedstored 0c912a50d1…c1b8f6now …
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 424 records. Each step hashes the current value together with the sibling shown.
- leaf 4969ff3b2d5342c87101293a39a6101ac54c5716d03bfe26b90fd74b4a6ce0b5
- 01 R 4986a4918634f8fdb1a5ebd146a5b5d30b562461bd2bc101cfcaad93f6092078
- 02 R d27d18219860c305d75e389a8e9feace501ecbe85b8b2014d45b9f0b2d53edaa
- 03 L c218f69555f9c5e30bd4340ba6861e58e816f6369e0e22e58725c17ad6248e71
- 04 L 766bbfd10ef6f67a97188b6a1fd4c1627807d62c91646154d7d6f7cd3972a89a
- 05 R b971222231084fcbd0846d1cf9675e5a78ffc75ac445e0b5a17e8564fd2b26e9
- 06 L 05885aecf144b3227252e9ae018b46b74708661586eacabccb41cba6a1a74c62
- 07 L a85629a8db0bb695d4a5771d2d3e595f82916d58d5a8208bd6f19ae4b0536656
- 08 R 7bf9a64cbac369091d934569b25d78620ed13b407451125696803aeaac8313ac
- 09 R 09bd1d10e95e0d102f2e7b4b9e4d59eee3634e7eb1084fd0da076475e7fe8a5d
- root e36b9e354cf6425dc8d37a9e84165ebbdb69c7a416ac1c84b9b9d30547025527