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 XI Award a ₱64.0M contract to ALGON ENGINEERING CONSTRUCTION CORPORATIONNational agencies
Transaction hash:
80a506e2aa4e7d30fd20ffae3187a203e74e19448d0bc8cd38ea60f4c5b341c7
Status:
Included and unchanged
Block:
#1,399 4,614 blocks after it
Position in block:
Transaction 44 of 118
Award day:
Mar 12, 2012 (14 yrs 8 mo ago)
Value:
₱63,969,476.97
Project:
12LO0002 Preventive Maintenance (Intermittent Sections) along Davao-Bukidnon Road, Davao City
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 #1,399 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 XI awarded it to ALGON ENGINEERING CONSTRUCTION CORPORATION on 2012-03-12.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 80a506e2aa…b341c7now …
- 2. Block Merkle root changedstored a200d5b226…be798dnow …
- 3. Block #1399 hash changedstored 516effd9be…f1f199now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 117 records. Each step hashes the current value together with the sibling shown.
- leaf 80a506e2aa4e7d30fd20ffae3187a203e74e19448d0bc8cd38ea60f4c5b341c7
- 01 R 81d7780ca3d3548aa27c66650885e7f004af1bcd30a868531a9b2f22d5af9bd9
- 02 R b077ff4512ec97cb28f3b65a9d70a6c169a3973f6bec4605edc51295278d960b
- 03 L 33473a5f210a0efd2a413c05d09eadb2db06d08896506db47228f0ab3e124fb6
- 04 L 526f969bb6cbd5fc93fa34b3e8ad9b874a13e1829a134742bbfd4d14d35b62f3
- 05 R f41953dd9985747a21fc7e7a35cc2d251ab91470daaa8df24dfbb04a2b2cdf8f
- 06 L 5d93621fc659871a6570a26a182c43bea324cbbc044cfb5644eb5f830b80a9de
- 07 R 62a2a0c9ba437084e7e5fdb78b6f8810d868ecf54e6dc6896601ed87c1025434
- root a200d5b226e7253b8a013896c76a69829bea43e975701a4c73c9945d83be798d