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 - TARLAC 1ST DEO Award a ₱95.5M contract to NORTHERN BUILDERSNational agencies
Transaction hash:
d90e1bed855fa1b00748fe5642923c6cf17897c46d69d7249a0721141cb08d0a
Status:
Included and unchanged
Block:
#5,501 512 blocks after it
Position in block:
Transaction 400 of 470
Award day:
May 13, 2024 (2 yrs 6 mo ago)
Value:
₱95,534,970.59
Project:
24CJ0313
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 #5,501 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 2024 LP", 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 - TARLAC 1ST DEO awarded it to NORTHERN BUILDERS on 2024-05-13.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 24CJ0313: 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 2025-02-17). 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 d90e1bed85…b08d0anow …
- 2. Block Merkle root changedstored d5451d2bdf…bdc1fdnow …
- 3. Block #5501 hash changedstored b1c2f7f4d3…9ec2fanow …
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 469 records. Each step hashes the current value together with the sibling shown.
- leaf d90e1bed855fa1b00748fe5642923c6cf17897c46d69d7249a0721141cb08d0a
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- 02 R 2a735b7ac4e80899cd4635a4b4a7015d194954901d8a3a40b1ba462c32bde5f3
- 03 R a586ef811c7d85ee94d68a259cec57aa043e1ec427598bcae51ed9fa0bad7b8e
- 04 R 174395c4557b02c0a1f16f45214cd2e9412e46d6eca8e8ecc98cf9a25663e3e2
- 05 L 7044ce4dacd4ba868f1baa37a5eccce8b8417ed1b3d39bf89233a2a2f2e8ed3a
- 06 R 1687998289a6e22cf645fc521122536d84bcecc5dd6b49ba727ed96f4f2567a9
- 07 R 4af0190a26fe7b7372d58eda768f386397e7f857d9e677d4c80cc437718ea8c0
- 08 L bc011af2e0a03f640bcdaf62b34cb7cb523f34053ba419cf62f07693b438ba3c
- 09 L 5baf47f0169e10734f5d9e5d10a469e8d7e195c679ec389e174f3d59af3920b2
- root d5451d2bdf7efd8b7d5183ee059359b1b3213ca2dda0f102e8b5a0f4c7bdc1fd