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 - DAVAO ORIENTAL 1ST Award a ₱31.9M contract to O.G. SANTOS CONSTRUCTIONNational agencies
Transaction hash:
0dc075e3c3ad8a2e4a03f1c868caaab68a97c829e4a36c0f0da97feafb409df4
Status:
Included and unchanged
Block:
#3,328 2,685 blocks after it
Position in block:
Transaction 19 of 290
Award day:
Feb 8, 2018 (8 yrs 9 mo ago)
Value:
₱31,892,592.05
Project:
(18LF0004) Construction of Revetment along Casauma
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 #3,328 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 2018 OO-2", i.e. the FY2018 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 - DAVAO ORIENTAL 1ST awarded it to O.G. SANTOS CONSTRUCTION on 2018-02-08.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 18LF0005: 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 2018-11-12). 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 0dc075e3c3…409df4now …
- 2. Block Merkle root changedstored feed48cc0a…4281c9now …
- 3. Block #3328 hash changedstored 48cf1c5092…971d6bnow …
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 289 records. Each step hashes the current value together with the sibling shown.
- leaf 0dc075e3c3ad8a2e4a03f1c868caaab68a97c829e4a36c0f0da97feafb409df4
- 01 L 0cfd342f8bce9835251aa96c1a32db4d6eaf1d73b87ddc55f0459329706b63b5
- 02 L 0ce221e95345d0b2bf42518e1dcf922e7e759342a7de7ed0e0a661bda485fc7a
- 03 R 3e20f894afb3446d81f84eaee26f8c701e4f97ce7f32db5c3adbd2367d5cb95b
- 04 R a97eb753fd58517164282b1188d9435efd96577190b1e86ca42aa655edd7ee2f
- 05 L 92e168497a65cb7ec6e94da45de80e396ee612ad91c88de09e01519f40ef3750
- 06 R c5de5e254fe7b45829859d080fd406dec0417b621208747730f7f594be22e288
- 07 R 197fd0a3930a10fc5c85233ab9aa7f8921edab9ac123a08422193922be8c1f37
- 08 R ac732cee18bbd191f940cc8ac098e40094c64e3e78c8d2e6ace3b64783afbb51
- 09 R d9981f01df01866f7601ca09dd338df8a494fd05524731e81694203516250e11
- root feed48cc0a5fa4c02b826d9a11e8907c6ecc00549491d21da9b8e469db4281c9