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 BANGAR, LA UNION Award a ₱480.4K contract to E. E. MADAYAG CONSTRUCTIONMunicipalities
Transaction hash:
bfd1c08e4b5a4e02e660dc76e7384d29e4db7ebe47066bc0aa1c913705f17f21
Status:
Included and unchanged
Block:
#1,122 4,891 blocks after it
Position in block:
Transaction 4 of 6
Award day:
Apr 16, 2011 (15 yrs 6 mo ago)
Value:
₱480,354.41
Project:
IMPROVEMENT OF FEEDER ROAD
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 #1,122 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 BANGAR, LA UNION awarded it to E. E. MADAYAG CONSTRUCTION on 2011-04-16.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 Bangar 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 bfd1c08e4b…f17f21now …
- 2. Block Merkle root changedstored 037cf0d3b3…9dbec5now …
- 3. Block #1122 hash changedstored f96d19a24b…6cae6anow …
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 5 records. Each step hashes the current value together with the sibling shown.
- leaf bfd1c08e4b5a4e02e660dc76e7384d29e4db7ebe47066bc0aa1c913705f17f21
- 01 R df2da907707ebdc751a82441e109baa9f6efd090573862ba2e44fcf0a6de4299
- 02 R f6a56dbfa06a2c862928bcb8fbffad0e024ffe1a055880a1517cc3a433336f8c
- 03 L b63ae4babfaba7457df11216bc2e13208187a3ad393fbc7760569125e702f9c3
- root 037cf0d3b37aa41959fadff7e4b1339f81b9e85c4f7c7ca4072b3e51449dbec5