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
CITY OF LIGAO, ALBAY Award a ₱497.7K contract to HERBANA BUILDERS AND SUPPLYCities
Transaction hash:
4bfebdcd2e8922703d9ebb76de558d69bd70646cc340e478af17b97af2eacd7a
Status:
Included and unchanged
Block:
#1,176 4,837 blocks after it
Position in block:
Transaction 13 of 35
Award day:
Jun 27, 2011 (15 yrs 4 mo ago)
From:
Value:
₱497,721.75
Project:
Construction of 425 ln.m. line canal at Layon
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 #1,176 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)CITY OF LIGAO, ALBAY awarded it to HERBANA BUILDERS AND SUPPLY on 2011-06-27.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 City of Ligao 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 4bfebdcd2e…eacd7anow …
- 2. Block Merkle root changedstored 46e8a062f1…4fca36now …
- 3. Block #1176 hash changedstored 28fac58958…e96f2fnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (6 steps)
How this one record is tied to the block's Merkle root, without needing the other 34 records. Each step hashes the current value together with the sibling shown.
- leaf 4bfebdcd2e8922703d9ebb76de558d69bd70646cc340e478af17b97af2eacd7a
- 01 L 43a240a81cf21684eafd4d2be9c6abda8cd2e44ea82ea684463e00a56e8a5d87
- 02 R e60fb392553bf08df946d9bcb8b65f46a634a21cc48878125a8542f4aba47fe5
- 03 L adc2cff09beabc1a3d9b8ca2dd3e6d707a4ccdb69736cf5f78d460896dd6e0dd
- 04 L 714d76db654ffe96333a5d5acf0df08458a558582eccb9aa0a1c1961d2d471b7
- 05 R 049fe94514107abef15d5d7ca9f0cfb3b3288d3b154344e57fbc4056f65fd113
- 06 R 2ff9fc4168872728cd0950c5c155ad96d83395f56675c308b64c7bec68ea6441
- root 46e8a062f1b4ed6baf7d06bc258aedfbb9844aedfbd31bdbd36a0740e04fca36