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 - BATANGAS IV DEO Award a ₱14.0M contract to 830 BUILDERS & DEVELOPERS CORP.National agencies
Transaction hash:
830bb3b19df53ea1a681711c0101714c3f9cdd1211b5f9287d474b19ed779d1d
Status:
Included and unchanged
Block:
#4,230 1,783 blocks after it
Position in block:
Transaction 120 of 223
Award day:
Sep 23, 2020 (6 yrs 1 mo ago)
Value:
₱14,040,750.00
Project:
19DD0538
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 #4,230 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 "Outside Infra - Contingent Fund 2019 Extended". 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 - BATANGAS IV DEO awarded it to 830 BUILDERS & DEVELOPERS CORP. on 2020-09-23.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 19DD0538: 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 2020-12-12). 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 830bb3b19d…779d1dnow …
- 2. Block Merkle root changedstored 2bf9bcfaa9…f7bd7cnow …
- 3. Block #4230 hash changedstored 98e00828d8…24d0f9now …
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 222 records. Each step hashes the current value together with the sibling shown.
- leaf 830bb3b19df53ea1a681711c0101714c3f9cdd1211b5f9287d474b19ed779d1d
- 01 R 8439f1c6e06de93d4292fc27bc43d32081e0255f8d22a4a9dddd1e18efe7cfce
- 02 R e7d391ada42cbdea4dc12ed5fb82d5048408ccd42004596d328524e50256e710
- 03 R b0d2b34ade8427007f2c7c1762cd5cc115f6e7298e091e949364911cea9692be
- 04 L 4b8723a6fed5c64203ea43767ffc69b182d9a41a4b96677bc3fcfcb8c727731a
- 05 L 4ad574f73a84f8aaad1797c7a9a274b848cebc04d7fc24399d60b667531c35b3
- 06 L 25b72094df05276d9b7df60b63624de4f4d50fd7c2097d28eea32ea5c25be60c
- 07 L 93a5fc15dbf0d5ba0527633f57393e45cccec2eda0f480be67b330ae1830952c
- 08 R 733cd8d02e1db1bde389952a8fdd783744730f5590031765ca8281b9b6d9adcb
- root 2bf9bcfaa960f2a22398e9754f4931ae94282e75a3b3534487d4b7927bf7bd7c