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 ₱497.2K contract to MAR-MAC CONSTRUCTIONMunicipalities
Transaction hash:
dcd403340d21e49c0459511f1303dd05b3a76ce3e2a828f8480122587f2e873f
Status:
Included and unchanged
Block:
#1,596 4,417 blocks after it
Position in block:
Transaction 12 of 15
Award day:
Oct 26, 2012 (14 yrs ago)
Value:
₱497,154.21
Project:
Construction of Box Culvert and Concrete Pavement Public Market
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 #1,596 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 MAR-MAC CONSTRUCTION on 2012-10-26.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 dcd403340d…2e873fnow …
- 2. Block Merkle root changedstored 6cecbf6a39…33da47now …
- 3. Block #1596 hash changedstored f5f9350a83…00ea9anow …
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 14 records. Each step hashes the current value together with the sibling shown.
- leaf dcd403340d21e49c0459511f1303dd05b3a76ce3e2a828f8480122587f2e873f
- 01 R ea894a80e66a2616fe32ff52318149469f91f8b49a0d89f2af7d44cfc97788c3
- 02 R 980bb140d9bb5e9da3ae721bfed8c8bf51afa641e8e6e0e73e36490f518dcb48
- 03 L 3ca9e68b6ffdf3287e641481bfd294747c4e6cad39cc07f0eab5d327b13b31d5
- 04 L 493c1ce2c0e25b8dff00a7a199a3ba3503cd26c94964b0545312fa2f5762c226
- root 6cecbf6a392652fd4082b213c9257f780a710c0976c356e1e939fc966e33da47