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
PROVINCE OF QUEZON Award a ₱15.0M contract to JEMAK CONSTRUCTION & SUPPLYProvinces
Transaction hash:
8e4e39b9f9c7cc35e518c753e67cdfbc3cf66f92fe6b0f7788de18839ee157a9
Status:
Included and unchanged
Block:
#5,471 542 blocks after it
Position in block:
Transaction 267 of 502
Award day:
Apr 11, 2024 (2 yrs 7 mo ago)
From:
Value:
₱14,980,389.50
Project:
Construction of Materials and Civil Works
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 #5,471 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)PROVINCE OF QUEZON awarded it to JEMAK CONSTRUCTION & SUPPLY on 2024-04-11.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 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 8e4e39b9f9…e157a9now …
- 2. Block Merkle root changedstored 39ba6bcc15…d49a24now …
- 3. Block #5471 hash changedstored f42cd79d19…f7bc13now …
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 501 records. Each step hashes the current value together with the sibling shown.
- leaf 8e4e39b9f9c7cc35e518c753e67cdfbc3cf66f92fe6b0f7788de18839ee157a9
- 01 L 8dee579e7960519e47013a7da9924d170f126a0de9156a3336de41bb4a8e314c
- 02 L b7aaa890cb9a07eb657ca3ba3897872f18cbbf966ddadb7356fb4d6b84be17f2
- 03 R 736dcdcf5bf0c9754286b2701173e525bd38d4257532d443d3bece4383e9d8b3
- 04 L 73c17b702044c418c4dd93d38e7c11eae47b1c6ef701d509123ace64128c3cd1
- 05 R 1429fa43a755b04dd87b15894fa77a5b6dddb8b274bbcd24216a680f84603467
- 06 R 4a4c90067922056ef4ff0733fc8a94061ae0cd57f40af10cb0d1ce021b53ff7b
- 07 R 002f8b8a705c27b753ca0887cf7349c48b65f673155b4527feadf9d5cd2bdd4a
- 08 R 42af5a6298629a4cd5590c73bc949cdafc01a2fe6916a1d8dedf839e42c3a5d4
- 09 L 5fe419109e4be500ecf0f0eeb189d8b7e7eec5479f5a8e34670c6f1a7a29421f
- root 39ba6bcc15665a80fdfb7a4ff0ddbba3795d55cf30c4e49a0777bda11cd49a24