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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 - ABRA ED Award a ₱91.7M contract to MG SAMIDAN CONSTRUCTIONNational agencies

Transaction hash:
8f044b985ea662dc65714ec2e37742a9f2ba836cd990e5941ed61f4b935fb2fe
Status:
Included and unchanged
Block:
#4,983 1,030 blocks after it
Position in block:
Transaction 233 of 438
Award day:
Nov 21, 2022 (3 yrs 11 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 #4,983 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 - ABRA ED awarded it to MG SAMIDAN CONSTRUCTION on 2022-11-21.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 22PA0344: 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 2023-07-11). 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   8f044b985e…5fb2fenow      …
  2. 2. Block Merkle root changed
    stored   c87b26afa7…edc979now      …
  3. 3. Block #4983 hash changed
    stored   9d5d0c2b69…1bf680now      …
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 437 records. Each step hashes the current value together with the sibling shown.

  1. leaf  8f044b985ea662dc65714ec2e37742a9f2ba836cd990e5941ed61f4b935fb2fe
  2. 01 L 8ea3b3d78365898fc5253c3d0ccaa59ec8e9d0fa5d593cf4a95175d99c04752f
  3. 02 R 74140a2fe2b824a2921148f87e5ae316c3ebf359bfb1fc7fc2547b1ff9392c2d
  4. 03 R 24cef00dac1a37f660f1aecc9bbffc0bf29a8717ecd3f736992fc498512dd203
  5. 04 L fc9f5d13d53790e5b138544a79382e958daf2414706d7c0c45225af64346e82b
  6. 05 R 2431f0677855a4663978428fb131bf35c5733c045e1729b775b8a66e8b38a17e
  7. 06 L f084699068ec5a8a4929ce947dd89561974ffbf0ce07c07cb66379bda114db88
  8. 07 L c9348abfa62fbe5b5821db564550b2a1d8c3109c0fe8f21876b4c7d45da7c1e8
  9. 08 L 73a88772736fe918ae6e36bd138fe1a2a32d7e7597fd798f0a7a7e771dff727b
  10. 09 R 13357b5e04bd62747e1ba4554fc37dec88d55a7eda7c40f1a572ad608c35d6c7
  11. root  c87b26afa76d85f6fcb282de93082539eeff5ef8f4a52180dc670e75a5edc979