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 - SURIGAO DEL SUR 1S Award a ₱3.8M contract to RJ CONSTRUCTION & SUPPLYNational agencies
Transaction hash:
44d41e44c6cc59e6451dc01bffd88fd8c1ad264a5e570c039c0ca2fa1e8ea4ed
Status:
Included and unchanged
Block:
#4,890 1,123 blocks after it
Position in block:
Transaction 50 of 185
Award day:
Aug 17, 2022 (4 yrs 2 mo ago)
Value:
₱3,836,016.80
Project:
22NH0052
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 #4,890 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 2022 OO-1", i.e. the FY2022 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 - SURIGAO DEL SUR 1S awarded it to RJ CONSTRUCTION & SUPPLY on 2022-08-17.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 22NH0052: 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 2022-11-25). 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 44d41e44c6…8ea4ednow …
- 2. Block Merkle root changedstored 8b49d43719…4fe42bnow …
- 3. Block #4890 hash changedstored bda8a75c39…abbdd0now …
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 184 records. Each step hashes the current value together with the sibling shown.
- leaf 44d41e44c6cc59e6451dc01bffd88fd8c1ad264a5e570c039c0ca2fa1e8ea4ed
- 01 R 48dec841c665a8ae4e3e480d69a4b9b0d71c97dde29829703ad891f39d0d4bb4
- 02 L 28fabac744c3d0a67d13e8b90808105e75ed0c24c20b785b24c45f7f33e9d0d5
- 03 R ab5854ec95e6d9c863954ab3359243b836c8b937bc36cf7364e06576f05d62ca
- 04 R 1239ec583acfe47b5ac72f5a82c0b9418b124e09a78997069ca873ed3b34ea85
- 05 L 1b82382b9a9f842b66c530cbb7cd39c5bd3ba75dcfd708764346876c92e5f09d
- 06 L 7734cc7ce3957017c9c59a5cbce01c9269f700cbf1ea0f27de4e492e0da82feb
- 07 R 3f9edb72eebdfda5f515e835b6ec0829c1bdf964ac7e56d27aa0ed76d7822c94
- 08 R 8419fdd446f040a2f382d108bf94648d5cb18265e031125556fd04e3cc9abaed
- root 8b49d4371952aa4d6b7347e939327dbb3c647dd6c95d8838ec6da7f8124fe42b