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 - NORTH MANILA DEO Award a ₱5.8M contract to AL-AMEN BUILDERSNational agencies
Transaction hash:
54d613bc036e0befd7065cc0d803dd9a404b2bd4b4c7fcffb0b244d39f328ef3
Status:
Included and unchanged
Block:
#4,366 1,647 blocks after it
Position in block:
Transaction 83 of 286
Award day:
Feb 17, 2021 (5 yrs 8 mo ago)
Value:
₱5,751,002.34
Project:
Construction Projects
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 #4,366 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 2021 LP", i.e. the FY2021 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 - NORTH MANILA DEO awarded it to AL-AMEN BUILDERS on 2021-02-17.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21OE0052: 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 2021-10-11). 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 54d613bc03…328ef3now …
- 2. Block Merkle root changedstored 386854fbe5…d9e746now …
- 3. Block #4366 hash changedstored fdc5a306cb…3f69acnow …
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 285 records. Each step hashes the current value together with the sibling shown.
- leaf 54d613bc036e0befd7065cc0d803dd9a404b2bd4b4c7fcffb0b244d39f328ef3
- 01 L 546bbbbabed40db15853da871f3f54e34fd2e61febe19f7e9b640af90f0a79b0
- 02 L 1aa29c83976d23b64d0780bb7285beb6a2d61d39ff17ee25e40cd97b39bcb2b8
- 03 R bc4ef92e759ebf8771e050778b9f0f8b304515286fa1a7f98b442bc6dc7f9360
- 04 R 8dc53bb72807c74ac8d374bea14a38979378b06da450d64670ab0efab227a458
- 05 L 64d8bf1538471a387a0dfa5552e48e1f8032c1862506fbbcb4a995b5773eb530
- 06 R cb61e331e3c0db0959a01961d42ac0823979aee21a57bf53564c234d9f230559
- 07 L b8a2f551f18f5be6b399b821b8de7afddf0663a818597a5cd8ba7a2c91beae94
- 08 R 0a2cd6e04639f45d55c38c9caddcc1ab052d9a67eec7dc24de75e2cf1c1bb430
- 09 R 3e01eb3f01783252a2eef543c4a9bd2bd2246756e9a503821119bc5c302f446d
- root 386854fbe5a2b48274c78fecfeac66639a0ccb412990fb9250f9438d90d9e746