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 - REGION IV-A Award a ₱51.5M contract to F.P. DE GUZMAN CONSTRUCTION, INC.National agencies
Transaction hash:
50b572214d00a33bfb078bd7ed958bff76a03743a80b75bb22248c65cd094e6a
Status:
Included and unchanged
Block:
#5,066 947 blocks after it
Position in block:
Transaction 78 of 273
Award day:
Feb 14, 2023 (3 yrs 8 mo ago)
Value:
₱51,479,444.45
Project:
23D00024
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 #5,066 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 2023 CSSP", i.e. the FY2023 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 - REGION IV-A awarded it to F.P. DE GUZMAN CONSTRUCTION, INC. on 2023-02-14.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 23D00024: 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 2024-05-22). 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 50b572214d…094e6anow …
- 2. Block Merkle root changedstored 456d030e62…785ca9now …
- 3. Block #5066 hash changedstored f57e4dc3c3…1126e1now …
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 272 records. Each step hashes the current value together with the sibling shown.
- leaf 50b572214d00a33bfb078bd7ed958bff76a03743a80b75bb22248c65cd094e6a
- 01 R 5316ffe87b38ed1e653e2e1403461915e241cf424df7863a15e29b9325981231
- 02 L 0da1f57ffaade9e7841bd4f188883ee8ab797620d62d460479d17e58ad1eb003
- 03 L 4f68079f08d40803a5c4ae6f5b94da8cddf53bbb5f85d3526f118c9367e8cb34
- 04 L 078e8ffd0fe19032402b8f9b7e790d101353acfab6ef33bc85241f0e712f388f
- 05 R d213f9cb1b60120fdba102e6a2f0edc172017a2743e5404c79fa68502b380268
- 06 R 8c35429d3c7a5471118e7c0e1519a62ef69e69b5b33cd276c3baa6d804ae6ad0
- 07 L 5334ef26372e4f5a49f853e3ad25530e2d49b926942f994b1bd04c105789c700
- 08 R 0cd5c89e5b1b34317c5275aff5c8ad31e14633750bc7ccb05f0b7b4a2823da80
- 09 R 57eb21b66702f59c654c30ca6b75cd4b68ad8eb2d6acb78127ac01bdc231b446
- root 456d030e6228a35ee60b8dc370057930dfc3514cdbc7c0287c292e4401785ca9