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 LAS PIÑAS Award a ₱1.8M contract to ARAC CONSTRUCTIONCities
Transaction hash:
8d243a73d615cebcd754e251feb3f100116a3a1e5b5554db6d08fb103aa95ff8
Status:
Included and unchanged
Block:
#577 5,436 blocks after it
Position in block:
Transaction 14 of 20
Award day:
Apr 16, 2009 (17 yrs 6 mo ago)
From:
Value:
₱1,765,345.37
Project:
Improvement of Rd.
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 #577 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 LAS PIÑAS awarded it to ARAC CONSTRUCTION on 2009-04-16.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 Las Piñas 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 8d243a73d6…a95ff8now …
- 2. Block Merkle root changedstored 25b2646b24…5794f4now …
- 3. Block #577 hash changedstored c2a4a941a0…09f4c5now …
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 8d243a73d615cebcd754e251feb3f100116a3a1e5b5554db6d08fb103aa95ff8
- 01 R 99702070d9db766ec632834f465b4dfa107995b63f052f33fd0cb0ebdae22e70
- 02 L 18e22a4eab0b9c77df260a5dfafa1fdd6afa91b27bfc750ba9ef31691a65fc81
- 03 L b76cab6c7da9b098d85fb2c6fb06e01e5afe416f40f832b3564f0c3064d0826e
- 04 L 482d8f92ccf4243b3001b5b19569983688011b79ee9630ac871c013362de48ea
- 05 R 927528badfe96f1b9b301d11563a787e2271b54d08b7ef269827950914bf2284
- root 25b2646b2450158d20c9508f684bde05ece8cb990e24acd36da59c47ae5794f4