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
MUNICIPALITY OF BANGAR, LA UNION Award a ₱972.2K contract to J.A. OLIVAR ENG'G DESIGN, CONSTRUCTION AND SUPPLIESMunicipalities
Transaction hash:
d96ffdf8ab275497daf9a06fbfa9b8aef53b6afed13b74c320cc9592ca993fd2
Status:
Included and unchanged
Block:
#2,241 3,772 blocks after it
Position in block:
Transaction 114 of 139
Award day:
Nov 14, 2014 (12 yrs ago)
Value:
₱972,184.94
Project:
IMPROVEMENT OF BANGAR MEMORIAL PARK
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 #2,241 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)MUNICIPALITY OF BANGAR, LA UNION awarded it to J.A. OLIVAR ENG'G DESIGN, CONSTRUCTION AND SUPPLIES on 2014-11-14.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)COA's CY2024 audit of Bangar gave a "unmodified" opinion on its financial statements (not specific to this contract).Partly
1 of 8 documents found, 1 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 d96ffdf8ab…993fd2now …
- 2. Block Merkle root changedstored 8c73208a92…e392a4now …
- 3. Block #2241 hash changedstored e4814536ed…44579enow …
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 138 records. Each step hashes the current value together with the sibling shown.
- leaf d96ffdf8ab275497daf9a06fbfa9b8aef53b6afed13b74c320cc9592ca993fd2
- 01 R da0d0e44f9d7ba416f95b0597b39885624f81b09e92b6db887e0d9a1409b432b
- 02 L ab922cd92b1e5ce02442085085956ce1298c40dcf5801f1bb9e2aeb15421d5e0
- 03 R ec577a2a5620e2a464915e36f58ebd65856f572882832c8faf36152b53e23c55
- 04 R 5315640b9a9489ac7bc66857fd43c4ad33f9c46fd44e59e7bbb5f2f548cb483a
- 05 L 0086923f6ec2326084509bc0f1e63c3447c7b584d86aaac5dbe3bfcd5c1c84f7
- 06 L 94e86dda4c13a5e74efe3c19627def45f9ced29df70c2e8517ebff76535186bb
- 07 L a4dc083ba10f01ef98e171ca622a5bd95f74e4823fe72c04cfb74f8bd655fa1f
- 08 R 65a0261d740cd388c0285d5ab8ad6fb0e4744f3ba8ce5529c721905d6470f46c
- root 8c73208a92a87ed31859035e9886a8a2590603013aca3e7cf2e659558ee392a4