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 (METRO MANILA 3RD ED Award a ₱29.1M contract to SAMJS CONSTRUCTION SERVICESNational agencies
Transaction hash:
2fbc69d4c3e2fc9a06daf4accd4df82318fae3ce589a19de2e93be9dfdb8d690
Status:
Included and unchanged
Block:
#5,451 562 blocks after it
Position in block:
Transaction 89 of 470
Award day:
Mar 22, 2024 (2 yrs 7 mo ago)
Value:
₱29,149,912.42
Project:
24OD0167
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 #5,451 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)DPWH lists the funding source as "Regular Infra - GAA 2024 SSP", i.e. the FY2024 GAA. The exact UACS line is not given.Partly
- 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 (METRO MANILA 3RD ED awarded it to SAMJS CONSTRUCTION SERVICES on 2024-03-22.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 24OD0167: Completed, 100% physical progress.Found
- 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)DPWH marks the contract "Completed" (end 2025-01-06). The certificate itself is not published.Partly
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
2 of 8 documents found, 2 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 2fbc69d4c3…b8d690now …
- 2. Block Merkle root changedstored 80b326524c…f6957anow …
- 3. Block #5451 hash changedstored 6f5d886979…a9b278now …
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 469 records. Each step hashes the current value together with the sibling shown.
- leaf 2fbc69d4c3e2fc9a06daf4accd4df82318fae3ce589a19de2e93be9dfdb8d690
- 01 L 2fb43cf8b21b3d3cf38b84877f410749372a98cd4e35dc7c8233703b286fdc1a
- 02 R 2922dea1e2ad0a50a131b2f38720291f640f83d51f177e337eb1680605684a67
- 03 R a05d42d51dec93fa6b6beacc5c864b6cdce09f015588ab516963ae3dde4ab42e
- 04 L c741fc5a8a91d9be3418ed6a2d61b4026f350ca13f8e1db7a18055e3aafc3cfb
- 05 L 6078ea7f8b9d3c7cf7a50d7515fe9b7fbb7742fb5764fb55dfef706d1f92a77f
- 06 R 66facaa69cd6cc6fc87d708fbe7a6ee51f8bb1ef9dc44b9fd99b742efc4cb7ed
- 07 L 5834aad8abadad17ce26e03dcaaa0682b783c6c42273181d9bff4cfb18999d88
- 08 R 2173f968021860a602dda474851e8ea6eca4e2f3f4711bc85cf95be568ec8e8f
- 09 R 19b682a90f0556c203448b38532a334b1356a5f1b39b05364a55aad4657b2e8b
- root 80b326524cc1bbfd1819cb2114e10e51266ba6c85a632be330f09f9c06f6957a