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FY2026 GAA: ₱6.79T
PisoScan
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

API
Transaction action

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ISABELA 4TH DEO Award a ₱28.5M contract to CASAN CONSTRUCTION AND TRADINGNational agencies

Transaction hash:
350cd214db4e4e4d2b56069cbc722a98954773650c02adb75d569874ecb2986c
Status:
Included and unchanged
Block:
#4,754 1,259 blocks after it
Position in block:
Transaction 600 of 2,935
Award day:
Mar 22, 2022 (4 yrs 7 mo ago)

Accountability

Bill Sec. 3 and 19
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 #4,754 signature valid Demo key, proves nothing about the governmentPublic key

Linked records: from budget to payment

Bill Sec. 5
  1. 1. Appropriation
    GAA line item · Sec. 5(b)
    DPWH lists the funding source as "Regular Infra - GAA 2022 CSSP", i.e. the FY2022 GAA. The exact UACS line is not given.
    Partly
  2. 2. Allotment release
    SARO / allotment · Sec. 5(c)(iii)
    Not published per project. DBM releases SAROs, but not linked to individual contracts.
    Not published
  3. 3. Cash allocation
    Notice of Cash Allocation · Sec. 5(c)(iv)
    Not published per project.
    Not published
  4. 4. Contract award
    Notice of Award (PhilGEPS) · Sec. 5(d)
    DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ISABELA 4TH DEO awarded it to CASAN CONSTRUCTION AND TRADING on 2022-03-22.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 22BH0104: Completed, 100% physical progress.
    Found
  6. 6. Payment
    Disbursement voucher · Sec. 5(c)(viii)
    Not published. No public source shows how much of this contract has been paid.
    Not published
  7. 7. Completion
    Certificate of completion · Sec. 5(d)
    DPWH marks the contract "Completed" (end 2023-02-13). The certificate itself is not published.
    Partly
  8. 8. Audit
    COA 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

Demo

Edit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.

  1. 1. Record fingerprint changed
    stored   350cd214db…b2986cnow      …
  2. 2. Block Merkle root changed
    stored   66d72ad66d…9aa047now      …
  3. 3. Block #4754 hash changed
    stored   a55128f2c5…82ae12now      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (12 steps)

How this one record is tied to the block's Merkle root, without needing the other 2,934 records. Each step hashes the current value together with the sibling shown.

  1. leaf  350cd214db4e4e4d2b56069cbc722a98954773650c02adb75d569874ecb2986c
  2. 01 R 3518616af418a948de7578ae153eb971937b2b4bb2c09ec9503d806672a42629
  3. 02 R f69359c5306f007aa8181e64dd4fddb614e4ca4bc85ec7c6be2010c24038c94c
  4. 03 R d401347fd89f03f54d98fc0fc5700f1abca8792f0d5e8395c501bb28e0c86dce
  5. 04 L 75cb8c6d7672d6c2d60520b1f59a0311387d93dd972943296b764b84bc670416
  6. 05 L c101b117533ee3cedf18b720d11040a7f8c5eaadc6a4f417e21e355b7b86e9db
  7. 06 R 24ca4b31badfe00bb920dec3d0d6e5f723789a1dab62905d6d02e9fd4e9134d5
  8. 07 L 7a1caab15126fe0d79be358c1b5553d6053f047ff5b563f4cc645ee6d57a4862
  9. 08 R 8ca5248e9ee41ffa192f7bfcebb1adafe202612a2ddeb1ea4d8b0f44ce78e4e0
  10. 09 R bcbdb985613d03ec2680e27d40edb79d976ddee32a46678d3bd02649a2ca13f8
  11. 10 L 11018e8072f874b88da0d12d38e028a63d8f26e43c744920040a19b1eb0042d9
  12. 11 R f9443c6cb9ac96737828b1ecd54aac7e925d9f3ec14fa5d030429eafb82df266
  13. 12 R f5ae93bd19d5163a86ab3809e5438db9fac5c1480b3570632518c979ef693bc0
  14. root  66d72ad66d493aa626c0806eb5f72de9588e7e3d5129bdaa9edbe51a709aa047