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 - REGION V Award a ₱34.6M contract to AREMAR CONSTRUCTION CORPORATIONNational agencies
Transaction hash:
540fb9759052d6581163485d2c955612643dee5148e84e83cf1ee98f96b5661f
Status:
Included and unchanged
Block:
#5,921 92 blocks after it
Position in block:
Transaction 119 of 370
Award day:
Jul 29, 2025 (1 yr 3 mo ago)
Value:
₱34,626,890.06
Project:
25F00063
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 #5,921 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 - REGION V awarded it to AREMAR CONSTRUCTION CORPORATION on 2025-07-29.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 540fb97590…b5661fnow …
- 2. Block Merkle root changedstored 7f518f2944…d2d1c9now …
- 3. Block #5921 hash changedstored 20470b4b36…6a4a3fnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 369 records. Each step hashes the current value together with the sibling shown.
- leaf 540fb9759052d6581163485d2c955612643dee5148e84e83cf1ee98f96b5661f
- 01 L 536ebb2d61e768de869a46cb991e72a25febefe3269c0907ed789e504dab9dd5
- 02 L 9073dfeaa870eb5caf90d90bc1f4e36d6fc38b7d3c3800ca69338e2644e755e1
- 03 L d7bce0c7b0cdd60a7af38e943728b999b73616c6cc1ed4928ebfe8913a9f3bd2
- 04 R 2eee3071599bdfc0d7d345a8399beace6e45ba27ebded49872e29ae3efb0a1f6
- 05 L 675248d05034ba68972c4e0d8fa92d634dc6cbd06994ed2cd953110e9c85b8c5
- 06 L 521dec42acecedb512e868145691c5f8263da6744fc911a7cbdd4054947649d0
- 07 L c7e97a92f33cc40884d5ef05bbe1ae94ac3c86d57a386ce05c1a4ddde671d6d9
- 08 R fd1f7f7c092339a69921e82e8c46daec3ee0fd82cb73586f394ba0cf4589ff38
- 09 R 813665e962a7da79404c9910d351d872c33a30248039f2232031430d750319b4
- root 7f518f2944ef020b89fe5f59e898b65ab40635a8d11a4f9b1898f9ce29d2d1c9