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 - ILOCOS SUR 2ND DEO Award a ₱18.9M contract to PRECIOUS CONSTRUCTIONNational agencies
Transaction hash:
ed078ffaeba1cbb69c7aeb43668e2e5e648302a75eae22eab9f5d28fd33768ac
Status:
Included and unchanged
Block:
#4,582 1,431 blocks after it
Position in block:
Transaction 234 of 258
Award day:
Sep 28, 2021 (5 yrs 1 mo ago)
Value:
₱18,892,879.75
Project:
21AD0086
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 #4,582 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 2021 LP", i.e. the FY2021 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 - ILOCOS SUR 2ND DEO awarded it to PRECIOUS CONSTRUCTION on 2021-09-28.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21AD0086: 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 2022-08-02). 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 ed078ffaeb…3768acnow …
- 2. Block Merkle root changedstored e4315d618b…9d9301now …
- 3. Block #4582 hash changedstored 30019a0bb7…4590cdnow …
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 257 records. Each step hashes the current value together with the sibling shown.
- leaf ed078ffaeba1cbb69c7aeb43668e2e5e648302a75eae22eab9f5d28fd33768ac
- 01 R ee472c8241b9b0ad891e70c8d5c13dfd897bc889138a63a955d8181c545b9bec
- 02 L 77e2f1866d58fc7fd1bf0e7114933578df18009128f53f3fff5dd57a93833942
- 03 R d7a67669e3e71292d160c508d4b9f40f71bc80b82cc3eabd2314be94131b66b7
- 04 L 829ffe9451c53d498c2188d707fc94f1104b64400cf147c50e85d7b70fc190f0
- 05 R 4fcdce02e82d75c120934fd2cb51608293010fdc19ae0edb973304bab985caff
- 06 L 459ef75fd6ff59f5b0c045ef54133d75954956eb7525cc2149e113f26967ed34
- 07 L 6af32fab30ea041bd51748e4565a9006326ee06107e54ab900a3e9732dc25cf3
- 08 L f193960497e23f1f11609086898c0e737f9063ea166eb572947c75a0135c5bd0
- 09 R 51689ea1311982e89e1483e547522c4ca75ff49fd432d8130e9a03456ae75a0e
- root e4315d618bc91229f6c2d55d52f0f8a0dad2f76b6571c4caf730345f4f9d9301