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
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - AURORA DEO Award a ₱55.0M contract to SILVERRIA CONSTRUCTION AND CONSTRUCTION SUPPLY COMPANY, OPCNational agencies
Transaction hash:
34b708d87bf10cedcf9d767a8f6251aee534c10dc66afb8509795f4b28a8cd24
Status:
Included and unchanged
Block:
#4,861 1,152 blocks after it
Position in block:
Transaction 45 of 186
Award day:
Jul 19, 2022 (4 yrs 3 mo ago)
Value:
₱54,979,787.19
Project:
22CN0174
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 #4,861 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)DPWH lists the funding source as "Regular Infra - GAA 2022 OO-1", i.e. the FY2022 GAA. The exact UACS line is not given.Partly
- 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)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - AURORA DEO awarded it to SILVERRIA CONSTRUCTION AND CONSTRUCTION SUPPLY COMPANY, OPC on 2022-07-19.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 22CN0174: Completed, 100% physical progress.Found
- 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)DPWH marks the contract "Completed" (end 2023-05-25). The certificate itself is not published.Partly
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
2 of 8 documents found, 2 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 34b708d87b…a8cd24now …
- 2. Block Merkle root changedstored 1e7bef4f1e…09368cnow …
- 3. Block #4861 hash changedstored 9d61c125c8…eee46anow …
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 185 records. Each step hashes the current value together with the sibling shown.
- leaf 34b708d87bf10cedcf9d767a8f6251aee534c10dc66afb8509795f4b28a8cd24
- 01 L 310e7bab29840edab2df01fbfa25beca1a593b42695dcce8f1d9a8327f05ab71
- 02 R c7a6dc1a944aeb599aaae714c4fd21096c7e003402adfed851b42997fd990ec2
- 03 L 9f630462163cdf90a07518186a6a35592a41a1678f506ac1dc8923beaf80377f
- 04 L 4743e46571841420024bf2634380e26716e2f0c26b29aaf3fce9b951e68f60ab
- 05 R 34b4dc2c1ea6a01b3733bc88a30fd244fd824e0f691d0bbed12fc4d1feb23db5
- 06 L cbf0a53a9056ee6c8837718803e2233c6c0dd66e25ff68368f5a4ced5c800c59
- 07 R ce59f2aa7927f69a208ce615816fb1e78f44e7fb44a715aeecb34e5739d15d0e
- 08 R f831ea1159c0901f1b58ad5c54ba7e1de2904c614d9df7d18f502c698a3b5c1b
- root 1e7bef4f1ec41f756fb3e04cdff0efb195938f7570401d45dd8a60491309368c