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 ₱98.5M contract to NORTHERN BUILDERSNational agencies
Transaction hash:
141a0aa2e66f1aa49fb286db3e69714bea1690ece39245eea337de7e073240cd
Status:
Included and unchanged
Block:
#5,751 262 blocks after it
Position in block:
Transaction 11 of 174
Award day:
Jan 24, 2025 (1 yr 9 mo ago)
Value:
₱98,505,185.42
Project:
24C00631
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 #5,751 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 DOH HFEP", 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 - REGION III awarded it to NORTHERN BUILDERS on 2025-01-24.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 24C00631: 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 2025-11-06). 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 141a0aa2e6…3240cdnow …
- 2. Block Merkle root changedstored d5d6af48f5…fe9da1now …
- 3. Block #5751 hash changedstored 31577b0d1c…c9f2efnow …
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 173 records. Each step hashes the current value together with the sibling shown.
- leaf 141a0aa2e66f1aa49fb286db3e69714bea1690ece39245eea337de7e073240cd
- 01 L 12949f104e1c6ba611f975306c458ed24d42d73841d9c50f903717cfe7075c4f
- 02 L 6fb897f943d9c06da3f535fa3cbbd5a2655c95e4f0249e9622bdd7bd898f6e1d
- 03 R 3b0e67540308664bc90217bcbdb8af8346853c6c7080f9ae18956de9ce1d2dbb
- 04 L b0f05a6125bdbacd6d42747f1c519e1d7297fa47e37f03fa2307bd1017c790de
- 05 R acec00e27df74d0242df7c96834817a7036f2bbc83607b19bb5b403276bdbe7d
- 06 R abaa27028c407ccbadb9cd6338d2430e73967ae15c92d77a38c004d5b65d493e
- 07 R 2a7a136b889bb6cb2d1334bf502036c1e87dfde4b8e4c9ac2e4d3811fc64e7e5
- 08 R d54d16324dea96a6b6512e1ff67d3d18a238697e4bbbd10b6865762128aac244
- root d5d6af48f5cdbd7473ba36f8aeff12d863eebd73a19e5db5aed54052cbfe9da1