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 - REGION XII Award a ₱9.6M contract to PLUMBS ENGINEERING AND CONSTRUCTIONNational agencies
Transaction hash:
709d3fc8415ff2d962d33396f340e0c63b43f8d7da25f47a66ed029dd27e1e6f
Status:
Included and unchanged
Block:
#5,226 787 blocks after it
Position in block:
Transaction 134 of 305
Award day:
Jul 28, 2023 (3 yrs 3 mo ago)
Value:
₱9,620,772.38
Project:
23M00180
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 #5,226 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 - REGION XII awarded it to PLUMBS ENGINEERING AND CONSTRUCTION on 2023-07-28.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 23M00180: 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 2023-12-11). 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 709d3fc841…7e1e6fnow …
- 2. Block Merkle root changedstored 8339e025b5…f85e8enow …
- 3. Block #5226 hash changedstored 64348f42ae…9e3a3dnow …
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 304 records. Each step hashes the current value together with the sibling shown.
- leaf 709d3fc8415ff2d962d33396f340e0c63b43f8d7da25f47a66ed029dd27e1e6f
- 01 R 70e9fa605fae882ee8382729dd15a7ddff0e07c6b1ab358a206a01f4b092ca4b
- 02 L ed260b2c8e3caa4dd4229f50eb90a79a8b699369e5546b05adbe4693afadd3ae
- 03 L fc23bba787f95467299ae4f1d78aafdfafb0e06a2dcb1c91897d4c30576aba93
- 04 R f85c55e67274c6ac4b4f020b1cef47a1943f75846285f463f91007a41f8ffae5
- 05 R 5c44d425f16877edd177180bc9657bae355b783ac43944d52cd69ac5d7245d41
- 06 R 5e3cb02a53059346d4faa7643e7115eef27097a820b2bc232d1a4dca7b647050
- 07 R 6aa67b93b51c62f93588ed51f0e15563ce2cbd1aa95b8f14b3548936b8993b27
- 08 L 315e858fe73a63948e403b231382aae5ceceff11545d04f43573f203cf61c854
- 09 R 3e5961248b97f898103286e2c4092eba9c98bbc058f5dfac2c8b2f2000c13d1c
- root 8339e025b58a6ce09ce296b30993d98da452fd30e69172a57ff9ac524ef85e8e