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 ₱42.8M contract to MONTAÑO CONSTRUCTION & DEVELOPMENT CORPORATIONNational agencies
Transaction hash:
59de368bbd0b873fd5fa8512ed6ef6e5a2545f01c2df78ba24a681e2d5a5bb97
Status:
Included and unchanged
Block:
#4,015 1,998 blocks after it
Position in block:
Transaction 131 of 404
Award day:
Feb 4, 2020 (6 yrs 9 mo ago)
Value:
₱42,772,042.00
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 #4,015 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-2", 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 MONTAÑO CONSTRUCTION & DEVELOPMENT CORPORATION on 2020-02-04.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 20JD0030: 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 2020-08-25). 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 59de368bbd…a5bb97now …
- 2. Block Merkle root changedstored afeb252245…7c556cnow …
- 3. Block #4015 hash changedstored a4b18bac05…8a2934now …
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 403 records. Each step hashes the current value together with the sibling shown.
- leaf 59de368bbd0b873fd5fa8512ed6ef6e5a2545f01c2df78ba24a681e2d5a5bb97
- 01 L 5999c80b8bb11f5047a6912087dcde8bdb882687a0321a10e49704aedfe3f0cb
- 02 L 0b7a4aa8000e3112f25eb1b1faac6a7937dfbb6f60d7c9cac2aed029f0671658
- 03 R 668e5244380d7abe3c80d6ac093ec10b3dc0f84993cd15a1ca56015c664da26f
- 04 R fa75146e2674baaba88e94d5bf254661ccfe96ac4f78766b19984b5bec19d2be
- 05 R 3b309903b7aa645f67de7fa6ddfa902806f05d6e7cc63d2ee6fae508dbbe5db3
- 06 R 5898919ec1dbf5d684329c440a9c874ac125ba317962f0a950f6bc388c963bca
- 07 R 9532eb3e827570ad28918a17c3b50e14676c2f6229b880ad9000c7a0a6b75441
- 08 L 7841fbf31a99efbbabafd81be5631cf002220fc0e4f9398dfefad4b526a579d7
- 09 R 7009ee7f68a3e15d109a293c6edbe7cdfc88208b1e9adca32f0ef2a632350211
- root afeb25224564db122356b30660d5eb071f599dadaab342acbdf473c8157c556c