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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 - REGION IV-A Award a ₱130.6M contract to TOKWING CONSTRUCTION CORP.National agencies

Transaction hash:
425fc2c5fc41c11db33fa41023f5d5bfc071e24216eb7daec1583cb5701407f2
Status:
Included and unchanged
Block:
#3,374 2,639 blocks after it
Position in block:
Transaction 135 of 556
Award day:
Mar 28, 2018 (8 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 #3,374 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)
    The award does not say which budget line pays for it.
    Not published
  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 - REGION IV-A awarded it to TOKWING CONSTRUCTION CORP. on 2018-03-28.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    No matching DPWH contract record (only DPWH contracts are listed with progress).
    Not published
  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)
    No completion certificate published.
    Not published
  8. 8. Audit
    COA annual audit report · Sec. 5(e)(iii)
    No COA finding linked to this contract.
    Not published

1 of 8 documents found, 0 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   425fc2c5fc…1407f2now      …
  2. 2. Block Merkle root changed
    stored   da2d6a9a38…130f0anow      …
  3. 3. Block #3374 hash changed
    stored   c1b6112a21…0528danow      …
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 555 records. Each step hashes the current value together with the sibling shown.

  1. leaf  425fc2c5fc41c11db33fa41023f5d5bfc071e24216eb7daec1583cb5701407f2
  2. 01 L 41f8ce3da7639224b06223288e1a12caa992821458ce44c3f110b706151f5fbe
  3. 02 L 7c9ad86552ed9307efcb6c142b48fb194cef09b4723aa66faff5ed19eca58062
  4. 03 L d85aec7a090631f6ae980b6f19e2c6e8371e436c40eb517f943b59ff87a333a0
  5. 04 R d5f7ff2c7bd4f4e834ab16fd5646edebc39ad6f43c8e98a516c5c1674106de6a
  6. 05 R 09e5dd787b97c4d90859a874d670cedaf4d6d38297d43ad374d64ef9467a0865
  7. 06 R 7f1bf9320b4940c489d7241e95c007a7650dc2605fd5f7c5381d4008c6cbfbec
  8. 07 R bb8cefc40020e8aa8a8492dd6f40176019b4faeebf7f01437b93468bb925c02b
  9. 08 L 9dff5f38422a4f2b7f1174ad58c4ec31cff75c7545fe9aa15e0048ad376acd27
  10. 09 R 55e74ea0ec66ba5029805866239053f9f032ecb7e64ef2f64332bdef72327d67
  11. 10 R 9ac6b22748ffe838ac27e633d23b01f475f243275e960567927d207c8d288aab
  12. root  da2d6a9a38243e7c85be272acbf56c832d23924f1bd37459a2563d0f71130f0a