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
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - IFUGAO Award a ₱4.9M contract to SOUTHLAND CONSTRUCTION AND SUPPLIESNational agencies
Transaction hash:
87f32faa986e33eb9b1f461c16b30c5e50b73896084045d727f03aa6fc3a8752
Status:
Included and unchanged
Block:
#5,991 22 blocks after it
Position in block:
Transaction 442 of 871
Award day:
Nov 3, 2025 (1 yr ago)
Value:
₱4,924,971.26
Project:
25PG0037
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 #5,991 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)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - IFUGAO awarded it to SOUTHLAND CONSTRUCTION AND SUPPLIES on 2025-11-03.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)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 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 87f32faa98…3a8752now …
- 2. Block Merkle root changedstored cd21cc7978…94630dnow …
- 3. Block #5991 hash changedstored 32cba2a877…8cb92anow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 870 records. Each step hashes the current value together with the sibling shown.
- leaf 87f32faa986e33eb9b1f461c16b30c5e50b73896084045d727f03aa6fc3a8752
- 01 R 884a960ce467f062b7210dd547e2c9be2cb41a89cd560592d8a1ccbd25650ffd
- 02 L fd206cbe90a9cd80b7c7e6d55605a392edab5e1fcb502a3e489d9268cc4da3b8
- 03 R b583e15e7d1a9039881c82dcbf3331edfd51a24efdf43aa5049203a345ba3521
- 04 L fab3415aa7cdfb8b44ed78fc5dc6a2168efb3a1d584ca7ed4ab84533d335bd1f
- 05 L aeb0ad7b140cce5c270d3ee2925c55a0890686d96a024d90d0d669309733483d
- 06 L 3db568244b865c40ed9c902a0f77d8e48283383ab1ef42d30b0b6e0d7d92e737
- 07 R 65791fc4e6d377fdd51a5a9241ba921af138f4e68edab9565b26d7b4f3d266ed
- 08 L 1a79ac4efac3c137b540456489ea79ad2d90d61761e914413b746bd8b50b0055
- 09 L a80060e9db903bb6d66ee3dd878637977d8eb9f1b6227eb0ac2a10eb886b8b86
- 10 R 4a64232d342e6281faefabf613db1e7642b0e13c6df514379a4c54afa28b9b1d
- root cd21cc7978142c2e1ec5da05bfc0e8034f3d0b859195fabf4c4ac2147694630d