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 II Award a ₱25.9M contract to MULTI-B CONSTRUCTION CORP.National agencies
Transaction hash:
a129c3d4e7767db5800849c50c7d6a2ba2e8901d4dc8a42dd66ec24979b7ddc4
Status:
Included and unchanged
Block:
#4,813 1,200 blocks after it
Position in block:
Transaction 181 of 287
Award day:
May 30, 2022 (4 yrs 5 mo ago)
Value:
₱25,904,449.11
Project:
22B00049
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 #4,813 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 II awarded it to MULTI-B CONSTRUCTION CORP. on 2022-05-30.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 a129c3d4e7…b7ddc4now …
- 2. Block Merkle root changedstored be87cf01bd…ed5eeenow …
- 3. Block #4813 hash changedstored 8630efd1ce…adaed4now …
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 286 records. Each step hashes the current value together with the sibling shown.
- leaf a129c3d4e7767db5800849c50c7d6a2ba2e8901d4dc8a42dd66ec24979b7ddc4
- 01 L a12552679dcb370392270a9d222409a25c487d8dab8d8348057bec90a8d42beb
- 02 R b39c9ab508c196e5a842ec0531e94527d5d5928b84edc2f5d57a74e6eb6c8552
- 03 L 1417934a538887df9e0382edb6266efe35b3186b564fe7cd3a3c8d883a6d4c0a
- 04 R b05c87b527783a73cdf443d8abc37c92cdeb3d38b297f743dce2c31109a431e9
- 05 L 4b513d53bf4105568907c8c94b2de8465bc8196b70bc670a362b3e0430526381
- 06 L 2a658f244a5535a9a86e9ca5ffabf988e898ffbae7ae2385beabc3ab7b680688
- 07 R 83411e59ab1387c177fe6415df02ddfe1b1f563b74e2a7fcf38b801eaf1fb089
- 08 L 58a0cd0130e253a7ce67559db8f395ab4775bc409e4125060dc6444ba6d3dedf
- 09 R 644ef93436a0d39d1ef8e7bed6d945a40db98245a5a57b3ff3a3fa991bf336bc
- root be87cf01bd3c266961b8e1af17dc15c3e8b602b6ff562fd0a6233483f4ed5eee