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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 - CEBU 2ND DEO Award a ₱3.3M contract to A.T. DUMLAO CONSTRUCTION, INC.National agencies

Transaction hash:
9db2a4fbbae05cd6090d16c1adb4cf581834a84a917c77d03850bcb5248bd2ab
Status:
Included and unchanged
Block:
#4,708 1,305 blocks after it
Position in block:
Transaction 372 of 603
Award day:
Feb 2, 2022 (4 yrs 9 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 #4,708 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 - CEBU 2ND DEO awarded it to A.T. DUMLAO CONSTRUCTION, INC. on 2022-02-02.
    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   9db2a4fbba…8bd2abnow      …
  2. 2. Block Merkle root changed
    stored   b44025e81d…f2fd21now      …
  3. 3. Block #4708 hash changed
    stored   3ed92e1ff6…72222fnow      …
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 602 records. Each step hashes the current value together with the sibling shown.

  1. leaf  9db2a4fbbae05cd6090d16c1adb4cf581834a84a917c77d03850bcb5248bd2ab
  2. 01 R 9f0cbf0e858bb9dd338f942d00607f14f4370d77723dcb89833e9b5a5105c29a
  3. 02 R 91a763eed96897d0c9494457fa574f1a8372b6945c5205612219723963283e2a
  4. 03 L f7a468b9b5936001369f94ecbaa932436ff4224042389364aad796510a3f6d28
  5. 04 R 373c689e0759765dad94a1bd64a6ec0349182f6ef51b59eca6eb0e1707475518
  6. 05 L ecb78fcb975c6e4ec7fde0672e628c2bcff8401b5c0eeda0238ee301456cb015
  7. 06 L 4a8840eba48c75a0c016b18e66c36c994cafdfefdddbed42a1b7f41a4710a5ed
  8. 07 L 9b6ace2ad45986d0caa773949fabe6cc7380997e5d703b7e2925de7f3ae3d5f3
  9. 08 R a1f3e663197ef0fa854db42816e26526e2b704e9ff07e17f121c530b6ec6bcb4
  10. 09 L 6663d970da11f25f9acfbb3533ab5731130ee2462fc8613fc8acb60f4c34d051
  11. 10 R 34fe15f333d9d3f431db6e296b093896a6aef5f3f13008f9333b05789e9c54d3
  12. root  b44025e81dd1a415c106e3f1687ce00f5a08cc4b533eb968f6a9772f4ff2fd21