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 ₱299.9K contract to V.N. GRANDE BUILDERS & SUPPLYCities
Transaction hash:
290816f717c4cacfecdca9afb9d6c5929b01f7e4c3809de4b73c38cf3e53348c
Status:
Included and unchanged
Block:
#1,227 4,786 blocks after it
Position in block:
Transaction 16 of 101
Award day:
Aug 26, 2011 (15 yrs 2 mo ago)
From:
Value:
₱299,924.00
Project:
INVITATION TO BID - Proposed Construction/Widening/ Concreting/Asphalt Overlay of Road at at Brgy. PHHC Blk 28, Mandurriao, Iloilo City (0084)
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 #1,227 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 2011-08-26.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 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 290816f717…53348cnow …
- 2. Block Merkle root changedstored 800a99d744…db3defnow …
- 3. Block #1227 hash changedstored 3d409538ef…2dc2f7now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 100 records. Each step hashes the current value together with the sibling shown.
- leaf 290816f717c4cacfecdca9afb9d6c5929b01f7e4c3809de4b73c38cf3e53348c
- 01 R 2a0cd0b1ab252c4c7e56782f5e817c63f5bcfce6d9e91754ea923b4c049b596a
- 02 R f911b1273ba4d35a4d72e3e30912b69c30177e94c73267fc7d18ea533587f393
- 03 R c5c0b7bed9eaa3b0e8841398651b0eb75b787e6687ea30d0c69ea6a2921b0e17
- 04 R 843694646548020055a0952f8545a5a3d3222e85921f24a2486e478451d0d3c0
- 05 L d09668bc5096926a9926f69ec8f281353e0cd7a59d5c2deb77b6446452854690
- 06 R 491fe19f1204876f59b9f550c3abe3668d899bd32be30a427ec8834529594cfd
- 07 R dfdce076f7db40d6e85d9380aff9da69a204243b80e4dcc5ab90d747b70a4423
- root 800a99d744f2185dab9c0fcac47afcc221260ce006e92042cfc657e509db3def