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 QUEZON Award a ₱1.7M contract to PETT BUILDERSCities
Transaction hash:
baaf248c134ed4e30c8b674977686b30c4869de9eceefd8c4f72a04675f7ea2d
Status:
Included and unchanged
Block:
#2,444 3,569 blocks after it
Position in block:
Transaction 228 of 314
Award day:
Jun 26, 2015 (11 yrs 4 mo ago)
From:
Value:
₱1,738,277.70
Project:
15-9023
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 #2,444 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 QUEZON awarded it to PETT BUILDERS on 2015-06-26.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 Quezon City 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 baaf248c13…f7ea2dnow …
- 2. Block Merkle root changedstored bf462854dc…452e88now …
- 3. Block #2444 hash changedstored 8e8035a198…4654a1now …
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 313 records. Each step hashes the current value together with the sibling shown.
- leaf baaf248c134ed4e30c8b674977686b30c4869de9eceefd8c4f72a04675f7ea2d
- 01 R bd2566eadcbab865b42b98a1892d1e549cc0ef13117752021050357c98bc258e
- 02 R 7fd9844c3b3221bc2b65f3d3ae98007ecef455b21470d68eeca0ce53086f0809
- 03 L f7c3f98c08868cd75efb700ed8b91d5971537764cf1202a4212378ba9db0c2a5
- 04 R 4cb3ebd75e7c6af030a718304da940deec7b50f39598ec908712b7f91563d8b7
- 05 R 9fcbb68e141abfa439d146b21d023f5f1628f6413fbc0d5af8d12482fd934c8d
- 06 L d3ab61ed702335aca7dfcf6657143f0a04daee01d4c2af9e2c5be89067f790dc
- 07 L 4725142c6cd16365ae6d0ff369185a4ecdb26ef09e418cd7e9291685ed46ba83
- 08 L c44faa6c2e0c164d8c21f9b8b1e4f0e360084c45de89d83315e779864f8317b1
- 09 R 7444f12a5018bb8f24ae40922257f737f17e39d2dafe8db5ba20170262259617
- root bf462854dc90d778f21a0c41b474e829842deedbfb2c0036c0285d47db452e88