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
MUNICIPALITY OF SAN JUAN, LA UNION Award a ₱1.5M contract to J.A. OLIVAR ENG'G DESIGN, CONSTRUCTION AND SUPPLIESMunicipalities
Transaction hash:
0e8ececb2d856d4ee83c91916a6b1637f588b503dae87df510ae066b9715b772
Status:
Included and unchanged
Block:
#5,072 941 blocks after it
Position in block:
Transaction 17 of 352
Award day:
Feb 20, 2023 (3 yrs 8 mo ago)
Value:
₱1,487,962.75
Project:
Water Supply
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 #5,072 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)MUNICIPALITY OF SAN JUAN, LA UNION awarded it to J.A. OLIVAR ENG'G DESIGN, CONSTRUCTION AND SUPPLIES on 2023-02-20.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 San Juan 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 0e8ececb2d…15b772now …
- 2. Block Merkle root changedstored f02a937035…533df6now …
- 3. Block #5072 hash changedstored 12f8c4f95c…3976a8now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 351 records. Each step hashes the current value together with the sibling shown.
- leaf 0e8ececb2d856d4ee83c91916a6b1637f588b503dae87df510ae066b9715b772
- 01 L 0b275e78fba88a1c7017682ba492463ada20579d243697c2546a8d2b640ac851
- 02 R 5cb99726c75c16077c856f3996ad6b4250381082e9c4a86d8e3aad6ca6a441f9
- 03 R a5c1e06bf73bf8b189062f7d80ba6dfbab60ca6fb2ec9324aea6709103aafd86
- 04 R 93da93e42d21cbc9d5a1dcd54d3decfd8292008a20f907cb9382fb6a937885c2
- 05 L 91166d69f1fde16e052b08fb0de0d8bfd46493df87c2c777ac57cba0b483f146
- 06 R 63fa959dafc0bef71f9b67da63d7f8bb73b18c93e517beb0191456421fbbb06a
- 07 R 204f7b425332411d21ea7f61b1299f7b9f43f7e50a443d4cbcf3c217ee3c82eb
- 08 R 4e4f45fddc77233b6ec1c966c43719a2485bb759b4e0ec4f246e912fd03fbf97
- 09 R 126b31cd513806e7ac8f3e045dd114bef7b3ab523e6bb8a35ead12e34655832b
- root f02a937035387ca1c037a578f395abbeb99eee4b266ed567b4fb8f33a6533df6