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
PROVINCE OF APAYAO Award a ₱3.0M contract to GKA ENGINEERING AND CONSTRUCTIONProvinces
Transaction hash:
7678a23714eee1dd77354bca507de4db8666ca316dd0f38aa7deef9b5a065940
Status:
Included and unchanged
Block:
#5,807 206 blocks after it
Position in block:
Transaction 526 of 1,132
Award day:
Mar 21, 2025 (1 yr 7 mo ago)
From:
Value:
₱2,993,829.00
Project:
IMPROVEMENT OF GUINAANG-MANGIGAT-KATABLANGAN 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 #5,807 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)PROVINCE OF APAYAO awarded it to GKA ENGINEERING AND CONSTRUCTION on 2025-03-21.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 Apayao 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 7678a23714…065940now …
- 2. Block Merkle root changedstored c13f4a0c6a…9c16a9now …
- 3. Block #5807 hash changedstored 3382cf9220…94368fnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (11 steps)
How this one record is tied to the block's Merkle root, without needing the other 1,131 records. Each step hashes the current value together with the sibling shown.
- leaf 7678a23714eee1dd77354bca507de4db8666ca316dd0f38aa7deef9b5a065940
- 01 R 76f52925d21a5cd7f4b70a5dcde5775cfd9133a41acc743d4d215d0e8f772b17
- 02 L 311196103efd586c1c51bf64f91565ad7ab0922106b21b802d89876167f1125a
- 03 L 67a22aacdf1651bb5db06b0935a4c5ca1655738feab4cc66ca05784dd9a1f390
- 04 L aacebed64ae13ad7d40a877d387363284a03dee0c098ceb69390bb037e76ea6e
- 05 R 6d60a87236a96ec4d9e4f40af43998e6604e453778d437a19adb7fc7effea665
- 06 R 767bb52df82fc68be4e2f2508fa32b9832e0e33595aaca08d713365ca2a92162
- 07 R 387c4cea939b6dcdc786d36581ec7a9d12c3056782a8b0ef0d7d08b0d3c3ab55
- 08 R 3fe8c62a6d4adc6a95e57e3fe5faa9ad5caf603b294499aab0cdb6b19ba0a1e4
- 09 R 137b33724aa65230860de5ab23e560f6e408e62960f3b4ba5e875f037ac5480d
- 10 L f30aba8eedd53198486d213fc32b2413ac288840dc5749751240d49b71a000e5
- 11 R d32fc04837aaa0fc0d7aaf6432a022182fafbd4c04d93720356026ef7bb43124
- root c13f4a0c6a3fcf602ad4d9b44566daa246c057f271816fdddb5e537c0d9c16a9