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 ₱2.0M contract to GKA ENGINEERING AND CONSTRUCTIONProvinces
Transaction hash:
149ba93adc0f6bb86fbe2060db2f10410e9d4485565f370581c158fe77bd19f1
Status:
Included and unchanged
Block:
#4,562 1,451 blocks after it
Position in block:
Transaction 16 of 237
Award day:
Sep 8, 2021 (5 yrs 2 mo ago)
From:
Value:
₱1,982,589.63
Project:
Concreting of Drainage Canal along Poblacion-San l
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 #4,562 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 2021-09-08.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 149ba93adc…bd19f1now …
- 2. Block Merkle root changedstored f803327422…e8d9cenow …
- 3. Block #4562 hash changedstored d5c388dd66…a39ae2now …
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 236 records. Each step hashes the current value together with the sibling shown.
- leaf 149ba93adc0f6bb86fbe2060db2f10410e9d4485565f370581c158fe77bd19f1
- 01 R 15c3057ce7194d43e57c5e6efb27a8c2cbd3874208ce2d0ad004ddf8eaec75eb
- 02 R 828294a274d1d7263fde46082d93a0b01dd58c6112f52c28e5967e298c94e2de
- 03 R e38c4bdc53f031196ec925c00226fe3a6dd55b81e7adccf31f7619378925ec26
- 04 R 28824fe076ed5ae9323745c28071d0dda4e5a877e54a4f171757f8033174e26e
- 05 L 1a5f7321b9032f7914cb72a55ac25108517aba5662b33b788e336c698a3da3cc
- 06 R fe0f1caafe4d44ede1cc57b24176257f01e2b7099dfc351a5b081b54f020bf52
- 07 R 2fca6b304712399b1a1edeb2cc4a17c6b815111381899c2992b3c3505a97a0d2
- 08 R d6ff6d5425cb313e9b6defce7ccda738e7f365495740997db9c337719203ab78
- root f8033274221f30bff0133cb26476db7eb00809b25720ff7592776326eee8d9ce