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 ₱1.2M contract to V.N. GRANDE BUILDERS & SUPPLYCities
Transaction hash:
ce7acbd66d93091c583d53088786509c431fb5f75012096402fccb2dca02f533
Status:
Included and unchanged
Block:
#4,123 1,890 blocks after it
Position in block:
Transaction 94 of 117
Award day:
Jun 5, 2020 (6 yrs 5 mo ago)
From:
Value:
₱1,197,010.85
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 #4,123 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 2020-06-05.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 ce7acbd66d…02f533now …
- 2. Block Merkle root changedstored dbb3fac15e…b43477now …
- 3. Block #4123 hash changedstored f440eb99a4…8f7b8enow …
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 116 records. Each step hashes the current value together with the sibling shown.
- leaf ce7acbd66d93091c583d53088786509c431fb5f75012096402fccb2dca02f533
- 01 R cf94f7e80d33ef6089d4e27f7f399f6d627431a231ed3c404c34245aa9a536c7
- 02 L 412d7546fce1465c851ab11d9d0b1d6f9c0aa8ffb83fababf8c51ccbf0ca1fd6
- 03 L 20a553969d337130ba19be9c9fc48eb50399f51f4d3897cbcbfd044736147c42
- 04 L f9988167e03c57e5ca57199a28254e5d5819294acf9037b1da3dcbe597603166
- 05 L 2f871e3aaa12d889475d145ca0735fd986bf36f8a08ede8e0b1ffd22a4e83ef0
- 06 R bf26af51230dd52208a0466ee5319d0be185cea74120d98e09805ea829046e21
- 07 L 87629614eda1f208a074bfbc844365cab627f8aaceafb4cbc30ba62e53ea5161
- root dbb3fac15e4af82b0a21b38c06178e7e80e8986c569b5e352176be8e83b43477