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 - REGION III Award a ₱128.7M contract to PERRC INC.National agencies
Transaction hash:
a5d3d1b323786cbfb4635defc406c00008a68833d8d0608c2783de49a66d6752
Status:
Included and unchanged
Block:
#4,750 1,263 blocks after it
Position in block:
Transaction 672 of 1,061
Award day:
Mar 18, 2022 (4 yrs 7 mo ago)
To:
Value:
₱128,658,168.84
Project:
21C00075
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 #4,750 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 2021 CSSP", i.e. the FY2021 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 - REGION III awarded it to PERRC INC. on 2022-03-18.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21C00075: 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 2023-08-16). 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 a5d3d1b323…6d6752now …
- 2. Block Merkle root changedstored 8d0e79a087…d0bb51now …
- 3. Block #4750 hash changedstored 9787b2a173…350aa3now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (11 steps)
How this one record is tied to the block's Merkle root, without needing the other 1,060 records. Each step hashes the current value together with the sibling shown.
- leaf a5d3d1b323786cbfb4635defc406c00008a68833d8d0608c2783de49a66d6752
- 01 R a5ffb82c2e2192ab655bda147c2b8dffb7e4e53333e84b988b1f803c5a67de43
- 02 R 750eacf4c99caabf46963d05917cabf6f626e60bdc9c965e0fe36f8cf59faa10
- 03 R d775e76b36c15fa4b5ec55650dc0562b96a6ffdbb405acc960dda7656fa6c338
- 04 R c92f65eda4463e26e0f44c13b834bdb809afcf852fc4fcabc268a073f16d7c73
- 05 R a1b7df638927b8b4d105f5dbd5943d9904acbd67495d20a390f3df78fedb4a3f
- 06 L cf957fdb88a53aa88f85ff4eedc1af2261e9d7a0c6e67b028c65895b6e685cf4
- 07 R b402e89c2c02b0309a421824a64d22e165a07a9fc04417c79c3e2e9945948470
- 08 L 476f743a1fd8aa69f7a7666461c617193353046929de69870537a976e06b18fb
- 09 R e0e44e55dbc2c818fb3fd0d6a65dcf65ca0f115ee803252455628db735bbf8bd
- 10 L 41b53f825e3d09d0b6aa5dfab5f3a971a6c70a9ebea4ce5ebfa02762a94968f9
- 11 R fc68fe2395e70e525a605c9c692b3ca2b48448d1aacf32c7e05715148fbf827f
- root 8d0e79a0874a46f41910b5d1f5c4b9578dba532a18e7f2a49d49a01703d0bb51