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 NORTE Award a ₱11.8M contract to C.V CONSTRUCTION & DEVELOPMENTNational agencies
Transaction hash:
70a45331ccda4e29f87479b049eb8f3db4131489abcda5a85c10b9fd1bf3d38f
Status:
Included and unchanged
Block:
#5,216 797 blocks after it
Position in block:
Transaction 135 of 322
Award day:
Jul 18, 2023 (3 yrs 3 mo ago)
Value:
₱11,776,519.01
Project:
23NG0062
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 #5,216 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 "Outside Infra - GAA 2023 DA FMR", 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 NORTE awarded it to C.V CONSTRUCTION & DEVELOPMENT on 2023-07-18.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 23NG0062: 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 2023-12-13). 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 70a45331cc…f3d38fnow …
- 2. Block Merkle root changedstored f53ae621cf…4fcc10now …
- 3. Block #5216 hash changedstored de04ab946b…fd6880now …
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 321 records. Each step hashes the current value together with the sibling shown.
- leaf 70a45331ccda4e29f87479b049eb8f3db4131489abcda5a85c10b9fd1bf3d38f
- 01 L 6f53e24037e01b1f20ecc9bd70327c3d1fd87115b1c0b777b96cea8a74112d0c
- 02 L 5b004b8f8dcfd93c1cd27609eaf7809b4b1ca424ee3f0135d6c8c4ae7328c3e0
- 03 L a50d9edce2bd18cc7e9bf744d89c7136be1be842ed7b881e5af11fa90446ebbe
- 04 R 3cb211e3931ec3e60d76c63aac35ee84a1d498631da550ba57246437af22dba2
- 05 R daedd1514096a265285b807133fe6d07930f66940828ac32ec25ceadb6666b28
- 06 R f9f487864b5736f6a29882dbb4711223c3c17eb383ed27eeda96d3c0dc1845f7
- 07 R af338fe127ac95fcfae480177b8c9739ed8e3b62b089d4f160b03c39d70e5747
- 08 L 15b2b1a74de1741e2253df2e16c2c0f829c5c780a1f9bf6415521eebbb0b8a4e
- 09 R c52e8ed444f90a9bd87b1bd7c47e70bed9827f64d6df40dfbc6d1fe956f36b41
- root f53ae621cf6d7d8f0f99dee7832ad23097f81cf34290c42a7729da2cdc4fcc10