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
BARANGAY TAWANG, LA TRINIDAD, BENGUET Award a ₱199.7K contract to VANVIN CONSTRUCTION AND SUPPLYBarangays
Transaction hash:
b4f393ec20a19039cffe7aaae03d9feff06a9d5df2fcb57a87efbdbbd6f16263
Status:
Included and unchanged
Block:
#5,887 126 blocks after it
Position in block:
Transaction 8 of 10
Award day:
Jun 22, 2025 (1 yr 4 mo ago)
Value:
₱199,709.36
Project:
CONSTRUCTION
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 #5,887 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)BARANGAY TAWANG, LA TRINIDAD, BENGUET awarded it to VANVIN CONSTRUCTION AND SUPPLY on 2025-06-22.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 b4f393ec20…f16263now …
- 2. Block Merkle root changedstored efdbd82bf0…a54aebnow …
- 3. Block #5887 hash changedstored 9b0f5f2c17…b6f992now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (4 steps)
How this one record is tied to the block's Merkle root, without needing the other 9 records. Each step hashes the current value together with the sibling shown.
- leaf b4f393ec20a19039cffe7aaae03d9feff06a9d5df2fcb57a87efbdbbd6f16263
- 01 R c94423038cc03c06a2a54d3e5b66605f87629fd03241c3a7be0ea4d6e7758977
- 02 R 0c284419453e23bd0dda51784a3c12531b650878b7f79c053937beec265c43cc
- 03 R 9b38de8a5e896ac2f80c6569b0a187551e20862decc9071e58b426b08ee6eacf
- 04 L 4acef121abc91c6a90827dd209c630740de2545a436705330c70c66967554003
- root efdbd82bf0cc5a8e93d810df61ce46af0a0150c29ad374b27a5eb11584a54aeb