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 - BOHOL 1ST ED Award a ₱7.9M contract to A. A. DE VERA CONSTRUCTIONNational agencies
Transaction hash:
f3a8e2cd34a2ef772e18f3ea220eed021916cc9a1ea756daa2d512bffb49a0d6
Status:
Included and unchanged
Block:
#2,972 3,041 blocks after it
Position in block:
Transaction 167 of 177
Award day:
Jan 26, 2017 (9 yrs 9 mo ago)
Value:
₱7,870,000.00
Project:
17HA0003
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 #2,972 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 2017 LFP", i.e. the FY2017 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 - BOHOL 1ST ED awarded it to A. A. DE VERA CONSTRUCTION on 2017-01-26.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 17HA0003: 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 2017-07-17). 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 f3a8e2cd34…49a0d6now …
- 2. Block Merkle root changedstored e0b0aefd0e…c64c12now …
- 3. Block #2972 hash changedstored 0ac0300a2b…12cad1now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 176 records. Each step hashes the current value together with the sibling shown.
- leaf f3a8e2cd34a2ef772e18f3ea220eed021916cc9a1ea756daa2d512bffb49a0d6
- 01 L f36fe80a13c558898f689f40fe89a04eb66a96e26f40410272d6a1ad55488df0
- 02 L ff8dd167ef60a81f3b0fac14b0663d7b76b281d2f006d768b4d348f923823033
- 03 L 8a20bc0541743b10e70a2b7b5d978c0003c8cfa95f9bd9d3ca653ac5668bb084
- 04 R 4911d913e0b104ee22be7237c1b592875d9d7f16b95f2558145b826cbd9c10ce
- 05 R 1212188391840ba7a65bfee30cf06c96188622a12f5bdceb55a64e50531ddbe9
- 06 L 3c22fc5f010794d16d8ad8e032380b1069e11becd47fc3419bf14f98d1beb71e
- 07 R adc69bd2cb356578daf52b559fce4d429ac2653bce1cb424da00515afa3feef2
- 08 L 3be3ccda5ca4db1354a6c7cf3447e857c4dff665ea9ecde61171501d95ec37bb
- root e0b0aefd0e407b19b2b2311fd150e4f36e302cf5d26f931643a7eaed5bc64c12