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 SIGAY, ILOCOS SUR Award a ₱998.9K contract to NGEC-NESTOR GENERAL ENGINEERING & CONSTRUCTIONMunicipalities
Transaction hash:
cf0779ed17ece606f694b4c85e7281ed510b2e9f9bf3eaf589977fa0f37adaf0
Status:
Included and unchanged
Block:
#2,936 3,077 blocks after it
Position in block:
Transaction 172 of 205
Award day:
Dec 16, 2016 (9 yrs 10 mo ago)
Value:
₱998,852.04
Project:
Construction of Retaining Wall
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 #2,936 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 SIGAY, ILOCOS SUR awarded it to NGEC-NESTOR GENERAL ENGINEERING & CONSTRUCTION on 2016-12-16.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 Sigay gave a "qualified" 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 cf0779ed17…7adaf0now …
- 2. Block Merkle root changedstored d3e324ae50…5aa502now …
- 3. Block #2936 hash changedstored 5635d22fd8…24c3b8now …
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 204 records. Each step hashes the current value together with the sibling shown.
- leaf cf0779ed17ece606f694b4c85e7281ed510b2e9f9bf3eaf589977fa0f37adaf0
- 01 R cf538ecbda16e1fea80e4e11c2d1705242810db61d0177877ce5641e713d8682
- 02 R 118d81d3c98f2f755067a0a5e87b5c0be26f4e3ab48473838034a951a1520d7f
- 03 L e9009544290cad962c3d2323891b2201e558884a3bcd92d777b8914212455e00
- 04 L b446c22ffe1d4134664d37e31f6de711c25802764e4ffb031d040dada583d125
- 05 R 7e82cb3f9dd60325fbcbf56d80a646a1c36d9a375bd9fdd58e149e8558b86fd0
- 06 L bf6c764531769b6aa9f4c57c6740d772d8ca783142b3d37b667973ffc6cb1d1d
- 07 R b03ef24eb092032fa8d8572b917153350f7967b21c7e842ddafeea91b49149f3
- 08 L 9b3d1e7fbd6a5b9574e61d6019ce27162dfbbeb7d28f1fe76a717630ee22dfab
- root d3e324ae5062d08ff04e14538d77ce48286f5dfd0d858fe6741045d6795aa502