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
MUNICIPALITY OF SALCEDO, ILOCOS SUR Award a ₱4.8M contract to NGEC-NESTOR GENERAL ENGINEERING & CONSTRUCTIONMunicipalities
Transaction hash:
a877bc3cfcc8e2ae9b9c428a2ddadc2c350c76844f911de33bd00c78bd01e618
Status:
Included and unchanged
Block:
#4,120 1,893 blocks after it
Position in block:
Transaction 68 of 110
Award day:
Jun 2, 2020 (6 yrs 5 mo ago)
Value:
₱4,829,479.76
Project:
Improvement of Arnap Farm to Market Road (FMR)
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 #4,120 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)The award does not say which budget line pays for it.Not published
- 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)MUNICIPALITY OF SALCEDO, ILOCOS SUR awarded it to NGEC-NESTOR GENERAL ENGINEERING & CONSTRUCTION on 2020-06-02.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)No matching DPWH contract record (only DPWH contracts are listed with progress).Not published
- 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)No completion certificate published.Not published
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)COA's CY2024 audit of Salcedo gave a "unmodified" opinion on its financial statements (not specific to this contract).Partly
1 of 8 documents found, 1 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 a877bc3cfc…01e618now …
- 2. Block Merkle root changedstored fc80299979…b07812now …
- 3. Block #4120 hash changedstored 5f373869d3…36460bnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 109 records. Each step hashes the current value together with the sibling shown.
- leaf a877bc3cfcc8e2ae9b9c428a2ddadc2c350c76844f911de33bd00c78bd01e618
- 01 R a891b0e136b5c6c8e64c4f65163e2cd8d52bceee2ff65e9e5f5cf7a518748d3f
- 02 R b8c1fed8ec862bc5a88c697fd898cec576f2c39713d6db9898e2f8c142b2fb68
- 03 L 61fc6011bf133b22ca4bf462f107ca605953652f2dba1e011fbc60b9c128db49
- 04 R 214a3d65565d04b14a78630333a9696d582cac7e34558782433cdc1e262ebe01
- 05 R 2ead920214e7d2989eb78e71d5ed11b2352259f82136a5abcea534aa3efb485d
- 06 R 2a9ec53066faa9b6cdc04e0a8a61a5072abf3c9a7796742042000969e9b32df7
- 07 L 28d41d5ee1c8ae107682768757578173e1118ce9535821b5d90ebc625e0cf86c
- root fc802999791c6b4db5830d0e5e8e0fc26ac8d36fc3273ca4b54810df29b07812