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
CITY OF ILOILO Award a ₱499.7K contract to V.N. GRANDE BUILDERS & SUPPLYCities
Transaction hash:
2c9dbac9b96e6ec4e482d4ae3a6c8a9e4d5ca2c7f9c63bd3a254c29c76d4a2d5
Status:
Included and unchanged
Block:
#1,918 4,095 blocks after it
Position in block:
Transaction 39 of 186
Award day:
Nov 15, 2013 (12 yrs 11 mo ago)
From:
Value:
₱499,746.61
Project:
Civil Works
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 #1,918 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)CITY OF ILOILO awarded it to V.N. GRANDE BUILDERS & SUPPLY on 2013-11-15.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 City of Iloilo 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 2c9dbac9b9…d4a2d5now …
- 2. Block Merkle root changedstored 632e83d241…83f8b9now …
- 3. Block #1918 hash changedstored b33bff820c…40efe1now …
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 185 records. Each step hashes the current value together with the sibling shown.
- leaf 2c9dbac9b96e6ec4e482d4ae3a6c8a9e4d5ca2c7f9c63bd3a254c29c76d4a2d5
- 01 L 2c3e8c34df6f8422207b0502bbaacc2e9599a8aeb2cee09e80c57655d2125847
- 02 L 956a45b715919f59cc6ff588e893bb5177a554d1a7aa80eb847410cd7178dca1
- 03 L 41467a3165b7fb1306a1fe6c9f4f9ff86e64d26de6e76a0178897d493f35d9c8
- 04 R 5afa34c057e426d2f244e1ae94575820268539b4bb4c2a6e75c28b43495711fb
- 05 R d4e94c32a9eda8b20b4c5d0e9c13ca71ddfc0abe69d150f787b915916750a34d
- 06 L 298bd814c33eedcc1f9a3b3691c7ae3fb1ac7cd7e4d26a8365c5a1dea30ef227
- 07 R c6ed36a20c512483da0a74c3c9e45f5d9334bec125cbb0d7fa7d3d5d2a8c4ffa
- 08 R 25c2a1b309b87cbf5a6f5e1214c45c15c4a029d3f7a274a77ba5d8c0ec2cc6c4
- root 632e83d241e6e47e3708fd4f261bba81e0ad36bba2bdb0f56b487a4f6283f8b9