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 SAN ESTEBAN, ILOCOS SUR Award a ₱2.4M contract to NGEC-NESTOR GENERAL ENGINEERING & CONSTRUCTIONMunicipalities
Transaction hash:
f31fc7e265db3cc7b5ab74bdfa06e1518802ea21a914efc9f7f4848f8d7a4416
Status:
Included and unchanged
Block:
#4,492 1,521 blocks after it
Position in block:
Transaction 7 of 8
Award day:
Jun 27, 2021 (5 yrs 4 mo ago)
Value:
₱2,442,481.57
Project:
IMPROVEMENT OF FMR ALONG COASTAL BRGYs
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 #4,492 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 SAN ESTEBAN, ILOCOS SUR awarded it to NGEC-NESTOR GENERAL ENGINEERING & CONSTRUCTION on 2021-06-27.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 San Esteban 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 f31fc7e265…7a4416now …
- 2. Block Merkle root changedstored 70872d1e27…c9b6a3now …
- 3. Block #4492 hash changedstored 2d8f8afeb2…b1ca83now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (3 steps)
How this one record is tied to the block's Merkle root, without needing the other 7 records. Each step hashes the current value together with the sibling shown.
- leaf f31fc7e265db3cc7b5ab74bdfa06e1518802ea21a914efc9f7f4848f8d7a4416
- 01 L e3080f83151754c76683815c7b485a65b8b0fe3f2d9ab88f9018c73098e50c40
- 02 L 21d4be9b85f7c70d83ce9e3ad99354ce29211a15e5a8a9454724533d059c97e9
- 03 L 5effef13df5f0b73cb4df787f863285662a5010840fe3ef063a6d08e2f1e011c
- root 70872d1e27d1bf6b0f05bb904555263bdacd2051941eebfd68fc3483d6c9b6a3