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 GOVERNMENT OF LUCENA Award a ₱2.5M contract to GREATWALL CONSTRUCTION SUPPLYCities
Transaction hash:
34212bb51576ea70cd88217d3b38b33e12c4e6b35d5765296ebdc01293d59f9f
Status:
Included and unchanged
Block:
#473 5,540 blocks after it
Position in block:
Transaction 5 of 36
Award day:
Nov 17, 2008 (17 yrs 11 mo ago)
Value:
₱2,467,006.10
Project:
Construction of One (1) Storey Administration Office and
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 #473 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 GOVERNMENT OF LUCENA awarded it to GREATWALL CONSTRUCTION SUPPLY on 2008-11-17.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 Lucena 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 34212bb515…d59f9fnow …
- 2. Block Merkle root changedstored 9d6c7028ec…4c65a5now …
- 3. Block #473 hash changedstored 6f02182a6a…52c3a1now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (6 steps)
How this one record is tied to the block's Merkle root, without needing the other 35 records. Each step hashes the current value together with the sibling shown.
- leaf 34212bb51576ea70cd88217d3b38b33e12c4e6b35d5765296ebdc01293d59f9f
- 01 L 2e1c51aa067db057945008b11ae6df6484a0fcaa9dba4c29193148c9bb6bcd75
- 02 R 2f1ea6c3762c86b44c39673147e2ba541ff33044b41583048729d87279913af9
- 03 L c68a7950f821d6bdca30110f544a3777a4fd39648570a331212e1124aca1cd1e
- 04 R 016064e889ba65bf74898cfafb46836393b530590e2307354d961b47c148adc4
- 05 R 99deba0b0c907020e471e242521357a5cef121a8b11f2abab026b263966c908c
- 06 R 3ad03b26637d698cada3ecf5fe6728eec5e8d1515cfdba3051ff00db92f46bd5
- root 9d6c7028ec90a5a76cf25b07ecf92d5b762f22150cb0e070268cab83524c65a5