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 ANTIPOLO, RIZAL Award a ₱10.5M contract to 1C4M BUILDERS INCCities
Transaction hash:
8a2668e32a0d705e8d2eaf4be7ceee9491d8e34c83f07867a2d337ad26fc27fa
Status:
Included and unchanged
Block:
#4,741 1,272 blocks after it
Position in block:
Transaction 283 of 513
Award day:
Mar 9, 2022 (4 yrs 8 mo ago)
Value:
₱10,469,873.85
Project:
Improvement/Rehabilitation of Road at Dahlia St.,
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 #4,741 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 ANTIPOLO, RIZAL awarded it to 1C4M BUILDERS INC on 2022-03-09.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 Antipolo gave a "qualified" 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 8a2668e32a…fc27fanow …
- 2. Block Merkle root changedstored 191b9acc26…db0015now …
- 3. Block #4741 hash changedstored 3e803faace…6d6551now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 512 records. Each step hashes the current value together with the sibling shown.
- leaf 8a2668e32a0d705e8d2eaf4be7ceee9491d8e34c83f07867a2d337ad26fc27fa
- 01 L 8984779f2e01a9fa1a95ab81be008a30e7da9897c64508913daaed2098eac003
- 02 L f2f04508e48e6ebf8c079faa9a00717ce8d46d2cad4478da3986cf1d09c7cd9f
- 03 R e2285aa25820223018b6185e22e2c6029bc3d3345e55bf5e18d928bcbfdcbfbd
- 04 L 4a806db8f8c10e9f6c9ccf7d78827d3bed6dd568c9adbfba4e17a73dbc1fde4e
- 05 L 3a5f5a8c63e18996170b6c51c5708b74321bcaeafa0a406f420ab48510df6d76
- 06 R 83ba7b5583b708cfd8dcef273efb7152fa44e5221085fbac2fc38d57aa6b39da
- 07 R 0c5996fd9874472397dcf88926b274d9feaefd886f985f1b131ff47d2f1ec2eb
- 08 R a556f134bd8bf92a48ebe4481545d8bcf145b550536858f4741c9f9769e37ea1
- 09 L 1c3889c5138a5041d3875635e43fca692b7d2b46adb04370e5bd529babbd97b5
- 10 R 7acf7a5c6af91058e835d546df50fd1d082f2cc2cd7410eb10d000fa4f0641c4
- root 191b9acc261877749f208dc92d5357c0b8cc1d7d5f15be58588d765460db0015