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 VINTAR, ILOCOS NORTE Award a ₱547.8K contract to JAMR BUILDERSMunicipalities
Transaction hash:
a512100298d93bb1663fb5bf96345f3cf0039c43a84312ff88fb505ec77019d2
Status:
Included and unchanged
Block:
#5,855 158 blocks after it
Position in block:
Transaction 677 of 1,048
Award day:
May 20, 2025 (1 yr 5 mo ago)
Value:
₱547,788.30
Project:
Repair of Irrigation Canal of Sanjera Akinbaba
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 #5,855 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 VINTAR, ILOCOS NORTE awarded it to JAMR BUILDERS on 2025-05-20.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 Vintar gave a "qualified" 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 a512100298…7019d2now …
- 2. Block Merkle root changedstored e0ed21ecd7…b619dbnow …
- 3. Block #5855 hash changedstored 84ed78b486…7446acnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (11 steps)
How this one record is tied to the block's Merkle root, without needing the other 1,047 records. Each step hashes the current value together with the sibling shown.
- leaf a512100298d93bb1663fb5bf96345f3cf0039c43a84312ff88fb505ec77019d2
- 01 L a4e6116c0b886d9e43fececef1d3658210f10124f0213e1c36b4c704b23bd9ba
- 02 R 6f95779659344a2cfccca5440e029c3986c7b7348f6b56dc84427adf12527941
- 03 L cd5d8f0af47c4eedf52a5464956dce4636c2c67371a0ec96cf51c7612903b3fc
- 04 R 3c1662ee353c22888323a593c21eb2776fcfef9aa486ad912119668242d451bf
- 05 R 1e3859e728359c9c9a1d5ba7003fcee7dbbc9d227df8a2b7f6cd1a27f3e45e31
- 06 L abf4603282c0f0981cc6e1c37518170a15dde7e94dfc5f7281d040e0f072e3dd
- 07 R e5cc684b3480ececb8e9629711fc85bd8439c0f0d36f1512cb698264545eb30c
- 08 L 65458efd1de96ccb7096cff86b20b5697900fbd297fc1c473363ba7a152176f6
- 09 R a4a830271700a2a195c46b74ca718cd00dafea299b069237a63abd3868ac5330
- 10 L 39b355a019d999e3cc3388fb0e437216aaddcb33f4a647e532652219971edcae
- 11 R a48ff709fbc9b403feaf42fcfbb7345c887ec3a8b55a99bdead68357dace5635
- root e0ed21ecd755fdf4443d5ecf121a9cffc7370bf8e727911e84e83ce2c7b619db