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 - MIS. OCC. SUB-DEO Award a ₱29.3M contract to THOM-ARMAN CONSTRUCTIONNational agencies
Transaction hash:
28f34eeb0923db154bf5b5159a9e43a9e1608bdc6d133271b0b7cc2def0c53c6
Status:
Included and unchanged
Block:
#4,018 1,995 blocks after it
Position in block:
Transaction 61 of 393
Award day:
Feb 7, 2020 (6 yrs 9 mo ago)
Value:
₱29,313,883.21
Project:
20KJ0063
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 #4,018 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 OO-1", 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 - MIS. OCC. SUB-DEO awarded it to THOM-ARMAN CONSTRUCTION on 2020-02-07.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 20KJ0063: 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 2020-12-13). 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 28f34eeb09…0c53c6now …
- 2. Block Merkle root changedstored b3adfe3805…ed20e6now …
- 3. Block #4018 hash changedstored 20a4afe0c0…edcdbanow …
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 392 records. Each step hashes the current value together with the sibling shown.
- leaf 28f34eeb0923db154bf5b5159a9e43a9e1608bdc6d133271b0b7cc2def0c53c6
- 01 L 27e8d079fb992aa96dbc30abc8589d6c4c8ef398486f35020db94156f103916a
- 02 R 7e0e26d156196ba860f5444b0407f4dba25d42d3f26bdb87412eaceb4e0077e3
- 03 L b311607ae480897d897afc18b882c0e304859839026a3f9c34e8932a0507bf6c
- 04 L 6bbc9d40e45fb8c198d307145bd45fe9e7bc35fbfa8dbe34a96ba5c367f53a16
- 05 L 801014dbe88fdd1ae3aa70727184bb4eca65458d836a4db18915f172e8e17653
- 06 L 8f4f51ad8ac43783ca7f75a407d1ee080570ffc35bdd8bab565ec9ab25d8f408
- 07 R 1e9f9c49f879e737cfc5c4d4910dd71ab525160c906074e30e49d7474a43ebc1
- 08 R 72acbc62fee08a778fafcf4677c416b89551e2abe1851ecf15b4f54bec351e81
- 09 R eb470437a12f97cc36b1e738c022c92e265e6b36b2f3aba0ac29306a52716eab
- root b3adfe380550e28ec66eecfe057e22e12f1e0911b8c1d6c059fea5dc74ed20e6