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 TAYABAS, QUEZON Award a ₱890.2K contract to R.A MENDIOLA CONSTRUCTION & DEVELOPERCities
Transaction hash:
8fbf4e3f1a98c87509fb03ce477ade25cab119230283d983a581cd40f352a6da
Status:
Included and unchanged
Block:
#1,196 4,817 blocks after it
Position in block:
Transaction 11 of 20
Award day:
Jul 19, 2011 (15 yrs 3 mo ago)
Value:
₱890,226.71
Project:
PROCUREMENT OF WORKS ON PROJECT NO. 049 – Repair and Improvement of Reinforced Concrete Bridge of Brgy. Iba. Ilasan
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 #1,196 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 TAYABAS, QUEZON awarded it to R.A MENDIOLA CONSTRUCTION & DEVELOPER on 2011-07-19.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 Tayabas 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 8fbf4e3f1a…52a6danow …
- 2. Block Merkle root changedstored f642251b9c…21c14cnow …
- 3. Block #1196 hash changedstored 3ca27c5e7b…b84448now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (5 steps)
How this one record is tied to the block's Merkle root, without needing the other 19 records. Each step hashes the current value together with the sibling shown.
- leaf 8fbf4e3f1a98c87509fb03ce477ade25cab119230283d983a581cd40f352a6da
- 01 L 7ffe160ce15746217842a022ceb851ab17e390c870402207076b835c0d476795
- 02 L 3e7ef3654f97b1e336aeed28013dd57b2fbeafacd51a715c51481c86e2cb20c1
- 03 R 330a2540ab062a88a16f4abecaabfc14efeafed2e9b0ff6b0ac089a7a4722283
- 04 L fd2051c335c01cc482441d1050361437caa6a21c3aa5bc3d1dca22b6518d212b
- 05 R 947bec0f69ea87b024de12a74d674b41ea6447d559c1492e6e9a61fa80f81463
- root f642251b9c47679b55327ab925f7f77e0200066a6006b209fd42d3d63521c14c