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 - NEGROS ORIENTAL 1S Award a ₱14.8M contract to KOUKEN CONSTRUCTIONNational agencies
Transaction hash:
4bf8d0d8f4be0b4e1cfa25eb3c51f97646b623ee1a7dce513fc2a6e7b01bc555
Status:
Included and unchanged
Block:
#5,857 156 blocks after it
Position in block:
Transaction 86 of 345
Award day:
May 22, 2025 (1 yr 5 mo ago)
Value:
₱14,824,816.24
Project:
Construction Project
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 #5,857 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 - NEGROS ORIENTAL 1S awarded it to KOUKEN CONSTRUCTION on 2025-05-22.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 4bf8d0d8f4…1bc555now …
- 2. Block Merkle root changedstored f249ee3453…376c61now …
- 3. Block #5857 hash changedstored 22db152e99…04e79cnow …
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 344 records. Each step hashes the current value together with the sibling shown.
- leaf 4bf8d0d8f4be0b4e1cfa25eb3c51f97646b623ee1a7dce513fc2a6e7b01bc555
- 01 R 4cc9e0defc04baa47e4f80c2b563921a98d9b85ac5e400a3dba2748d9616005e
- 02 L 9a1cfed5b063aa0eb26b0fecc1bd16fdb1ca74d0174d005a632e23699e3acb89
- 03 L ae9d07b6e46f89de29e5fd272e22b1643ea688be423363f453e3be7fc8ecfffd
- 04 R 5ed0c999fed3db2ab9efb2295097123606796eb2cd32c38342f021aa97d8d849
- 05 L 4faeebb741373256b6993e424d6aeb70ee1269a1bc43ce2661f391bd9e2f6063
- 06 R 0ce4c7ee72e618068e184f03b163938397fd7f8457f3ee6661ae79ada4eedc3c
- 07 L 018f0a2cbfb944097467e7341e2f15ad563be5d1f4cbdebf8e70276142f9c80e
- 08 R 971e7d34a9066b1651a2caf6bf56cbac405736849b2fd6a7ac8725b266bc6f05
- 09 R 781f091cc9be98552c42e30ee0776be3a05df8fca554bf5672039991584740bf
- root f249ee3453dcf87648046031cb9c6291f684440762a0fbb2f99635fffe376c61