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 - METRO MANILA 3RD E Award a ₱17.0M contract to LARSEN-DUTCHER CONSTRACTOR CORPORATIONNational agencies
Transaction hash:
b95e5de50b5004529daadbe24b8af5f029975fb3671c005c8dc45b8577d2cda3
Status:
Included and unchanged
Block:
#4,030 1,983 blocks after it
Position in block:
Transaction 209 of 291
Award day:
Feb 20, 2020 (6 yrs 8 mo ago)
Value:
₱16,994,311.12
Project:
20OD0118
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 #4,030 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 2020 OO-2", i.e. the FY2020 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 - METRO MANILA 3RD E awarded it to LARSEN-DUTCHER CONSTRACTOR CORPORATION on 2020-02-20.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 20OD0118: 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 2021-03-15). 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 b95e5de50b…d2cda3now …
- 2. Block Merkle root changedstored 70a187a0ed…a1950fnow …
- 3. Block #4030 hash changedstored a3c1b0b04b…3fdbe2now …
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 290 records. Each step hashes the current value together with the sibling shown.
- leaf b95e5de50b5004529daadbe24b8af5f029975fb3671c005c8dc45b8577d2cda3
- 01 L b8da01f33b7f6559cbe1cad57d05705f27b3ce42faded8b304e44a8f758f7334
- 02 R bea0607db129fa266bfbac52c1d22b918f25b92ea1abdf4951d3715458473eef
- 03 R 1fb67f4b64ffbfeae5da0620d4512cebe754acd477ede8eb8e20e12c3d051b93
- 04 R cdb08c528e7b877bed37246e22527fcff6b195e455db1864d86ec810ad1fec1e
- 05 L 49da7d6084be351fa8cdb46ab817b7c476a9c1a6de99d8d6e004a6ff5d189a88
- 06 R 7d250c83103272791fb58cf3ea9bdb32141c891c21da336bbebb77b9a497ab47
- 07 L c49cc2af959e93a7e4745f37d7745746b423b310636ed23a6d8f3160b0183ee0
- 08 L 6f2f1e449d9f16c00dce29a754eb6a464fcea2b7541aef99aae1fdd2b7fdc990
- 09 R 2e11c9ae2f6a1059b84a79f1c0a318f42183c9bf20a4d56537994e2ab6985cb1
- root 70a187a0ed892f2322ca74916d0e0507112b6c04f09033dbf21c458523a1950f