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 - ZAMBOANGA DEL NORT Award a ₱3.7M contract to BTM CONSTRUCTION & ENTERPRISESNational agencies
Transaction hash:
ea005ef58bfddd3c4edae93229c2dba84f0e960f0ea689b44ff3dc6d8b61f673
Status:
Included and unchanged
Block:
#4,297 1,716 blocks after it
Position in block:
Transaction 62 of 71
Award day:
Dec 3, 2020 (5 yrs 11 mo ago)
Value:
₱3,685,628.29
Project:
Construction Projects
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 #4,297 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 2020 LP", i.e. the FY2020 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 - ZAMBOANGA DEL NORT awarded it to BTM CONSTRUCTION & ENTERPRISES on 2020-12-03.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 20JD0019: 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 2021-03-19). 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 ea005ef58b…61f673now …
- 2. Block Merkle root changedstored eb6a3f7518…8f0369now …
- 3. Block #4297 hash changedstored bcd93401ae…ff28a1now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 70 records. Each step hashes the current value together with the sibling shown.
- leaf ea005ef58bfddd3c4edae93229c2dba84f0e960f0ea689b44ff3dc6d8b61f673
- 01 R ebe13b035aadfe4255c0d8cc2d2a1ea121cee724cf17182f6543e34cacf804ff
- 02 L bbc334eabadd20ba7be20c971f8f8e18fc3cc50bc63fbfd5c4f29c68a0421026
- 03 L 3d2552010e32d53c5aae537c21aae4c65bda66c9e5ad95baa1131017e18c6f9f
- 04 L 6fa3526e941f25515734f3d9f3490cb64904b87601d557ee725de53d538067e3
- 05 L 344290dcd1cbdd50aa1f0cec00d940f34d7f0eec3ba1bd769fc6dd4806e9aae7
- 06 L 25ed7b847a9f7eb511b31349732a1c1b9a9728d626216a6a67a00224c9d6c329
- 07 R d6383a937814c300304987a878da3a7bedabf4b806feea0972508f0707636a3e
- root eb6a3f7518570f332afb4c9c142589cd6bca5ec01972f49cb58337e0a68f0369