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 - CEBU 4TH DEO Award a ₱1.9M contract to V.O. CHUPUICO CONSTRUCTIONNational agencies
Transaction hash:
ec2f9e0100eaa194222e7aed49f1eaeef04820c5585dcd34d6e0b58c7a2255e2
Status:
Included and unchanged
Block:
#3,326 2,687 blocks after it
Position in block:
Transaction 315 of 338
Award day:
Feb 6, 2018 (8 yrs 9 mo ago)
Value:
₱1,881,000.00
Project:
18HG0020
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 #3,326 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 2018 LP", i.e. the FY2018 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 - CEBU 4TH DEO awarded it to V.O. CHUPUICO CONSTRUCTION on 2018-02-06.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 18HG0020: 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 2018-05-21). 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 ec2f9e0100…2255e2now …
- 2. Block Merkle root changedstored 87c3ae70b5…5ffc4bnow …
- 3. Block #3326 hash changedstored c5e45b830d…c02dd8now …
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 337 records. Each step hashes the current value together with the sibling shown.
- leaf ec2f9e0100eaa194222e7aed49f1eaeef04820c5585dcd34d6e0b58c7a2255e2
- 01 L ea50f91e50437a1270b81ba7b82b28267561894b235b7fa73f6d0e1c5017a769
- 02 L de4ab86a16c48c9516f6be29c1b51df05f987f91498243689a18c376dc89680f
- 03 R 8bb0d2302b89ac086bf29e19af31f1453701beefea3cc60c3472cd11a79db3ec
- 04 L 2b12712afd1141f506b519347877f952d7aafa6fb271724dd61ebd07a7da64d0
- 05 L 11a31ecd10d747e9e87fc314e83e280d2121592be26254036c2abfafed1e2eb8
- 06 L 5d548a55ed37a6cebe0f0a9471fc674ecd0be54801a2f9ae0ae5c615753829df
- 07 R 1777b8f7d8bcdf8753413fae146979c4d9803e56abe35d9faba425713d7f9de0
- 08 R c814c0967025ee338bcfac563880f9d256b70c18bc9873b9fdfb254f590c73bf
- 09 L ecec29552faa87d91c3713efa8a2feeb36b84b6eef097538ce3cec967fa30d00
- root 87c3ae70b5c936fbf3a9cb9f9d727cc6879b716feda6655f37e8fef2ff5ffc4b