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 - QUEZON IV DISTRICT Award a ₱57.0M contract to JEMAK CONSTRUCTION & SUPPLYNational agencies
Transaction hash:
654f1c19d20fa6636e2133f4fbfb2f2fd251c3fbad6b557769a942c0ba40a6cf
Status:
Included and unchanged
Block:
#5,439 574 blocks after it
Position in block:
Transaction 8 of 24
Award day:
Mar 10, 2024 (2 yrs 8 mo ago)
Value:
₱57,035,628.72
Project:
24DL0101
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 #5,439 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 2024 OO-1", i.e. the FY2024 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 - QUEZON IV DISTRICT awarded it to JEMAK CONSTRUCTION & SUPPLY on 2024-03-10.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 24DL0101: 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 2025-03-30). 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 654f1c19d2…40a6cfnow …
- 2. Block Merkle root changedstored 9fb2a4a26d…9046b7now …
- 3. Block #5439 hash changedstored ba4c1aa8a6…92adeanow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (5 steps)
How this one record is tied to the block's Merkle root, without needing the other 23 records. Each step hashes the current value together with the sibling shown.
- leaf 654f1c19d20fa6636e2133f4fbfb2f2fd251c3fbad6b557769a942c0ba40a6cf
- 01 R 65780bbd52812d2b3afea02867c15f79ffa482beadf551d4b31e8c051a51684b
- 02 R 2dcbbdadd5c785ef20eb631684a0d7396ad30d6483a5600264aec0cb3ed362f1
- 03 R 9f9268a9fe56354ff94db6d008b0497108c43992a08d0ae9387f2e8517460d64
- 04 L 75be9a83a951dc46c35453d8dbf7e6e2e44abfed7584c69403745a1e503c83e7
- 05 R 198ab8ca964c50d0930ff272583641cb27433eda1a66e94a37a0ac5581ee17f3
- root 9fb2a4a26dbd97e8338eab2ff75501553c8d4481813dc52fb05834fddf9046b7