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 ₱5.0M contract to SPRING STAR CONSTRUCTION AND SUPPLYCities
Transaction hash:
f4e7603fe4e6261927ce50002bfc1f69b65925b4fc3540cb38dd17ec7e788900
Status:
Included and unchanged
Block:
#5,294 719 blocks after it
Position in block:
Transaction 157 of 168
Award day:
Oct 5, 2023 (3 yrs 1 mo ago)
From:
Value:
₱4,999,224.15
Project:
Proposed Installation of 138 Units Solar 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 #5,294 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 SPRING STAR CONSTRUCTION AND SUPPLY on 2023-10-05.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 f4e7603fe4…788900now …
- 2. Block Merkle root changedstored 81e4fb74af…eb51f9now …
- 3. Block #5294 hash changedstored 81b5c8bd75…14af90now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 167 records. Each step hashes the current value together with the sibling shown.
- leaf f4e7603fe4e6261927ce50002bfc1f69b65925b4fc3540cb38dd17ec7e788900
- 01 L f2178f97aa9d47cd359f8881608eb787e5f62afe3d82854d56eafd15cf2cc130
- 02 R e9c4d9c6f5dcbcb91c5ef77e69e6865071b49cf09bc75896a88ee01cccfde1c8
- 03 L f1d9d63e94986db72aa04addf58223a059e4e91ea726913643179fa0feceeeae
- 04 L cc98cbfca8717080c590e0444c3f6378840807b595cda692af81b276453746b5
- 05 L 93ef6d82994d660d2391f94d4b0903c43e61b8ef086e14e246365c688c64b0da
- 06 R f666feb7f378e6427a998007315bf958f503e9fef01964514abfdb8476a68989
- 07 R 8c3e33dd9e6b654a23859be4cfcf939d07b99469fb36e88f8a867172fb41946f
- 08 L 3efff7c82dc3510717835fde160525448af88e3c4b87fdcb8508cd27e07994a4
- root 81e4fb74af9b57f6f71d43d304286b345b83e2b313e74316af7718c807eb51f9