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 - ABRA ED Award a ₱46.6M contract to MG SAMIDAN CONSTRUCTIONNational agencies
Transaction hash:
75634bcd0a75ebb58de0ef60bf3bf765d9756b64890b9e1a3c490562a3b6b736
Status:
Included and unchanged
Block:
#4,951 1,062 blocks after it
Position in block:
Transaction 90 of 197
Award day:
Oct 18, 2022 (4 yrs ago)
Value:
₱46,556,962.77
Project:
22PA0329
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 #4,951 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 CSSP", 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 - ABRA ED awarded it to MG SAMIDAN CONSTRUCTION on 2022-10-18.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 22PA0329: 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 2025-02-03). 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 75634bcd0a…b6b736now …
- 2. Block Merkle root changedstored c36e50c9f8…92be48now …
- 3. Block #4951 hash changedstored f80a671786…8fe89cnow …
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 196 records. Each step hashes the current value together with the sibling shown.
- leaf 75634bcd0a75ebb58de0ef60bf3bf765d9756b64890b9e1a3c490562a3b6b736
- 01 R 774791ab86e3e77921ad6c82dc875e2a96f4d633336a9d6886fd46f99023ed9f
- 02 L d98715aa8efdb70829d59a2217dc490707c481ede4bf3ee137e5aea03044750a
- 03 R 4ca54ddbe69bd75cf914d2e64969f669d4f29d1df339d00d99c6ec4a2851b178
- 04 L a08b4e50e58a8c102e67bd2712e5abf24d6adb3f44e5aa6eb35d68434aab1731
- 05 L 5a8794da5ba6ec7a891a94ecb768175093fbc8ee0b1ce5fbc8c382de5aeb8207
- 06 R 839eb89a97c231187bb83f10cf91fe399e110f93f6f7cf00094bf25b6815fe60
- 07 L 4b8181df550d1a1feed115d4dbde3fe8a02da12cd560299e0de54cedaf8c1145
- 08 R 89474dd56781ac1d9dde8ee60a2c6cf435889dda390992672267db33e2ead8a6
- root c36e50c9f8e8c77e1e8ea59be48f693d3fd4c6f19758847e0c5d059ebf92be48