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 - ILOCOS SUR 1ST DEO Award a ₱4.7M contract to NORTH TECH BUILDERS AND CONSTRUCTION SUPPLYNational agencies
Transaction hash:
58ff2fa67a74f6a8cefc1ffe7753b3e06d86ca5390fc8932be87be574e87c0a5
Status:
Included and unchanged
Block:
#4,405 1,608 blocks after it
Position in block:
Transaction 108 of 315
Award day:
Mar 30, 2021 (5 yrs 7 mo ago)
Value:
₱4,744,968.48
Project:
21AC0104
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 #4,405 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 2021 LP", i.e. the FY2021 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 - ILOCOS SUR 1ST DEO awarded it to NORTH TECH BUILDERS AND CONSTRUCTION SUPPLY on 2021-03-30.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21AC0104: 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 2022-01-07). 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 58ff2fa67a…87c0a5now …
- 2. Block Merkle root changedstored 28394f46af…42258enow …
- 3. Block #4405 hash changedstored 29460c3f51…9a0142now …
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 314 records. Each step hashes the current value together with the sibling shown.
- leaf 58ff2fa67a74f6a8cefc1ffe7753b3e06d86ca5390fc8932be87be574e87c0a5
- 01 R 59e58df1072ecde0aeb5e9bf8823123fc476d2e3759b18d0ccfd1b411898fb87
- 02 R fe984f8420d5e71ff25536f52c06d4166c7abb2d87da5a87ad201ae9bb7f43ad
- 03 L 13c718d7e46f22e31aff3532ce15a77562e89af722adec8bd898464cc7575a07
- 04 L 4d35b6745efe6459b9a2b8c2162c8dcf2e247b498f508b52810a3e635fe41459
- 05 R 95eaa43ec537ec29c2f0a5df85dce2e83f298be7d45fdb09974d023ed1b54eaa
- 06 L 66a04664881e32b9b9be04ae80fe0f6206010a51f468fd3dca5d91f8225a2aba
- 07 L daaf6daf6eda625dd0ad77970b10aba7fc8e05ee627f7df5074230e73cc706f8
- 08 R e3a9f42c13139fdbc35cd13298adff885b7bf075c4adc11674f13fe5c9427779
- 09 R ab86f967d398e4ae917b93418ca418f081a55e387782480b9f3ce5ca07d54559
- root 28394f46affbe650e70f931a343733b3a86dda0b21e666633d6fc0f1c142258e