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 PARAÑAQUE Award a ₱10.7M contract to NGN CONSTRUCTION AND SUPPLIESCities
Transaction hash:
e87897a1b1b9bc51c8d439f0563976c5b7977a1b9d9a1b5e5e456e9806e78c88
Status:
Included and unchanged
Block:
#2,039 3,974 blocks after it
Position in block:
Transaction 83 of 93
Award day:
Mar 31, 2014 (12 yrs 7 mo ago)
From:
Value:
₱10,747,626.07
Project:
(105) Units Lamp Post
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 #2,039 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 PARAÑAQUE awarded it to NGN CONSTRUCTION AND SUPPLIES on 2014-03-31.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 Parañaque 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 e87897a1b1…e78c88now …
- 2. Block Merkle root changedstored a5bc43250d…25bf10now …
- 3. Block #2039 hash changedstored 9aa1536961…de8471now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 92 records. Each step hashes the current value together with the sibling shown.
- leaf e87897a1b1b9bc51c8d439f0563976c5b7977a1b9d9a1b5e5e456e9806e78c88
- 01 L e4c1436af6b521fa7f2df9243cbff252a7930e1cea78120f56b21f2f1ee9ff52
- 02 L 1b94c3f3e1688e53fc21d5a1a4fd015bc35b355249bbc076d1ba293e40a753ec
- 03 R fefec4b47bd8056656e16c8865bd08ce605988e02d62988f7da6768aeb48177b
- 04 R 4a92598abeec6cdcf59cc39b70dc917544019f8cfc608558d70f141f3c69d775
- 05 L f178abcf708a44bf5821397393eae9bb3b188befcfe21d50cb6f193ab3dd88bc
- 06 R 4460780f007281be3b25446fd4b71b5b2280abff46d179a6f1db186bec7ae7d9
- 07 L 4dc202820b89f339039c718241a833d2683fcce2a0f9760ec5aeb073e8fe4a9f
- root a5bc43250dfc509790a57ed92a0f730ffbf04d5cfc3547d6a56ef4196b25bf10