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 CITY II DEO Award a ₱19.0M contract to R.C. MELGAZO BUILDERSNational agencies
Transaction hash:
4e5b0e53829db1402dadbe7f22ac35b5f9183005fd541ca92cf3e4fb688a77f9
Status:
Included and unchanged
Block:
#5,580 433 blocks after it
Position in block:
Transaction 98 of 288
Award day:
Aug 1, 2024 (2 yrs 3 mo ago)
Value:
₱19,013,536.87
Project:
24LH0096
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 #5,580 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 2024 DepEd BEFF", i.e. the FY2024 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 CITY II DEO awarded it to R.C. MELGAZO BUILDERS on 2024-08-01.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 24LH0096: 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 2025-02-23). 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 4e5b0e5382…8a77f9now …
- 2. Block Merkle root changedstored 3fa9ca24c9…7ee41bnow …
- 3. Block #5580 hash changedstored 74b9a1ec40…80fdc4now …
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 287 records. Each step hashes the current value together with the sibling shown.
- leaf 4e5b0e53829db1402dadbe7f22ac35b5f9183005fd541ca92cf3e4fb688a77f9
- 01 R 50fbf39c161323053dd355e27ae08a53c3e2bf09b97b7bf4444b5e8c8727149c
- 02 L 70661e9c9716cd8ce981d8a440b46df9a3697efdd97d80ac45d9e152e1ec2bbb
- 03 R b8f9b8c49fe1ff74381c4a72dd183882b88bd9985bce8569857bb4cf1a6b360b
- 04 R 1bbe9ba26d3f4c045f03d4c395a5ee37f1a7315f27a63ade97fac50f5d3a5c98
- 05 R 84913ba372602916f6fdbd61281eced89d21dc79b64a81493c14d4b001cf965e
- 06 L 4ec8c10b07c03fb6302b335fe2b88292a2911a94c00d0d8837c537a7a712dd5a
- 07 L a9e5372d116e5dd7b0d283ac47154ba04c6f3793a3e9f47f428333935717d9c2
- 08 R f50072a7c487b3e8da5d47fc332e7249b5c0d965cd5d17ef21492c0cbce8488c
- 09 R b771f27d845a1f4aaaa2939ee1c1043395a70103797540e6cdbdfec32b5b5a20
- root 3fa9ca24c9102049e0597571f325e8f887fdfb25a3eca032a3233193bd7ee41b