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 - CARAGA Award a ₱94.3M contract to VICENTE T. LAO CONSTRUCTIONNational agencies
Transaction hash:
bb2430e902f4027765ff7e4c09296e8fa344cfbf76c0a6286cd59748e917fd88
Status:
Included and unchanged
Block:
#1,430 4,583 blocks after it
Position in block:
Transaction 101 of 145
Award day:
Apr 16, 2012 (14 yrs 6 mo ago)
Value:
₱94,269,411.78
Project:
ROAD UPGRADING (GRAVEL TO CONCRETE) OF JCT. LINGIG - TRENTO ROAD, K1478+265 - K1482+020, SURIGAO DEL SUR
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 #1,430 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 - CARAGA awarded it to VICENTE T. LAO CONSTRUCTION on 2012-04-16.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 bb2430e902…17fd88now …
- 2. Block Merkle root changedstored 15e90f4e19…48a661now …
- 3. Block #1430 hash changedstored c30bcb1566…73dd1anow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 144 records. Each step hashes the current value together with the sibling shown.
- leaf bb2430e902f4027765ff7e4c09296e8fa344cfbf76c0a6286cd59748e917fd88
- 01 L b5de9bde6a50935a657d921bb062a7ba088b05eb9f7ea2616d1c493c032d41c6
- 02 R 9b3e70a7dc8125143557e2cb6af92476e44196899f59fe22e75c3cd6837b358c
- 03 L 79eb22a24354ac3e7ffa5eb4594c4f9eed216349f8c94bec7389d16e4e29a68b
- 04 R 2e802c1661e5a05298ac9bd8f0e703d8b6e8d6effc416714edbffb6c3e1f9533
- 05 R 034b081de912f69da3ba495c16b63f1b774a364cc6004cd70537277e48437513
- 06 L b1366225a2b2acc3839b04faa8a981cc7c5e9e3ec61cd024764b369769834bc0
- 07 L 21f028cb34a48f3ec2b2a8d2b634a63ffd5fcff8c501ff4168ab62dc0adae606
- 08 R 022a75a3c7607207cc123973ad62bc076122a78103a4d9f2e3bd670b583078c4
- root 15e90f4e19e1949bcef63ba9c9ad2bb7e5f04a8326c378a5d88a7f105248a661