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 - ZAMBOANGA DEL NORT Award a ₱3.3M contract to MONTAÑO CONSTRUCTION & DEVELOPMENT CORPORATIONNational agencies
Transaction hash:
8a6dfffc3371c40a93d0d4a1395ca2515c82fc6f84b65f5c2243408e729aabc4
Status:
Included and unchanged
Block:
#5,772 241 blocks after it
Position in block:
Transaction 498 of 935
Award day:
Feb 14, 2025 (1 yr 8 mo ago)
Value:
₱3,335,144.49
Project:
25JC0005
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 #5,772 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 2025 SSP", i.e. the FY2025 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 - ZAMBOANGA DEL NORT awarded it to MONTAÑO CONSTRUCTION & DEVELOPMENT CORPORATION on 2025-02-14.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 25JC0005: 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 2025-04-28). 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 8a6dfffc33…9aabc4now …
- 2. Block Merkle root changedstored 8860a8c1d3…0be8efnow …
- 3. Block #5772 hash changedstored 6ce147a494…2c3bd0now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 934 records. Each step hashes the current value together with the sibling shown.
- leaf 8a6dfffc3371c40a93d0d4a1395ca2515c82fc6f84b65f5c2243408e729aabc4
- 01 R 8aba237ac76b32a54aa2d65b767eb717ada9f4d172476d545557ba363fb0b2da
- 02 L 8cb915576464c87e39b4ec24b96912038935731daaa19a909cabbf9c7a97d77e
- 03 R f538be220999125cf3edada163598ecf8a5df6c853f936a83fe74a916f411257
- 04 R 55db39d9c6af6e5e06c2e0a34890c39478b507fce91c4d1854bc9627ce67ff06
- 05 L bdc82b3c5b22715439a43125eb15a1e719a4fce4d72234266e1f6116e439dd6f
- 06 L 1b536c2eea74b042ba895788051220f53166cbafaf8790159aa89801a0477d1f
- 07 L daa58d31a91652986a49932f410096abe3e1d4eb19dac5b9903f63771b15ef12
- 08 L aec12c30c9fada7069741782a6e91568e234e395ea3d56252c70dcc0a770cb85
- 09 L 8e1492245f3b2222930236adf19dbabff839d3c53cc59ed7b149bcc2ed071d3e
- 10 R a72a91ca0a721210369437c3b19a4d947b5a376e7f4b695e3d31b3a808ee9903
- root 8860a8c1d31ede50d4c07ce077ad405f87798b9e530d5a9ab4efc2cc610be8ef