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 - DAVAO ORIENTAL 1ST Award a ₱7.6M contract to LOURDS IVAN CONSTRUCTION SERVICESNational agencies
Transaction hash:
b1a302bf8d2baec761ceccc3ce4dbcf333dca8bee1fd8bb575ea6680c0f96b84
Status:
Included and unchanged
Block:
#5,308 705 blocks after it
Position in block:
Transaction 144 of 200
Award day:
Oct 20, 2023 (3 yrs ago)
Value:
₱7,584,895.47
Project:
23LF0156
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 #5,308 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 - GAA 2023 DepEd BEFF", i.e. the FY2023 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 - DAVAO ORIENTAL 1ST awarded it to LOURDS IVAN CONSTRUCTION SERVICES on 2023-10-20.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 23LF0156: 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 2024-03-09). 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 b1a302bf8d…f96b84now …
- 2. Block Merkle root changedstored 33ec720daf…18e2e8now …
- 3. Block #5308 hash changedstored 08024d3dd1…9ac9e4now …
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 199 records. Each step hashes the current value together with the sibling shown.
- leaf b1a302bf8d2baec761ceccc3ce4dbcf333dca8bee1fd8bb575ea6680c0f96b84
- 01 R b3477e2a49b7bfe262ac60458f9e3009f6abfeec25beabe07f8873b523448b34
- 02 R cc568fc660ebdc37321819c4dee967cd26a8dddee8f1a3d68c828044c21bffe5
- 03 R f4d2075ef166d4b31d9f440864e6a84a4ed00ac2672ace8af68746582c5a598e
- 04 R 2fd23bd3c404ad7b0c29d2207a6be65a017ed6e1503ab5f59f1ca9252313f00d
- 05 L 54870907f165972eb6e0fa84ed0620862f0667a3c8cc18b84370f968df8118d9
- 06 R f6bb9e6599c5685ddfc3eadeecde19b4949ba82e772e50767469c60da524e401
- 07 R c0457fd47d83ed86e9d49426a725aab914309685aedcc2fc922d1d573507596e
- 08 L 3bbf9fa43787d1c782558c081ec2bd43e428803d7e94a50395544711bf7e759a
- root 33ec720daf1569df6f5176b2b97df2db37c9f7698bd0a83e22bf7abd9018e2e8