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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 - TARLAC 2ND-DEO Award a ₱35.7M contract to ALPHATEC CHEMICAL CORP.National agencies

Transaction hash:
718e0a20c19afde07d16af521d1ca78f6868204ba2aa977a6b7d5d0dfdd9e264
Status:
Included and unchanged
Block:
#4,701 1,312 blocks after it
Position in block:
Transaction 442 of 1,015
Award day:
Jan 26, 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 #4,701 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 - TARLAC 2ND-DEO awarded it to ALPHATEC CHEMICAL CORP. on 2022-01-26.
    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   718e0a20c1…d9e264now      …
  2. 2. Block Merkle root changed
    stored   c7c92dfc41…579451now      …
  3. 3. Block #4701 hash changed
    stored   16c9933cb8…2c6ba0now      …
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 1,014 records. Each step hashes the current value together with the sibling shown.

  1. leaf  718e0a20c19afde07d16af521d1ca78f6868204ba2aa977a6b7d5d0dfdd9e264
  2. 01 R 720600332e3e352bba1f02c3af198233a7a6618969869780b956f3aeb9afe246
  3. 02 L ddbca7321ef486d318a3ad8dead19596da436b5254c47bc152c47559d5a60557
  4. 03 R 3d5fe1ef6de9a5e529dce75331ba36d645a113133149f041531bf356bcfb24b9
  5. 04 L 4405165c40fc09b8be6d554da4dd13a23bc735aa20ccbcd71d1ed1646053358d
  6. 05 L 1239a57320bad16311f2b2c93a14dc50798a8c2dd1f52b075a490bc5b225e1fa
  7. 06 L 63d19ecf7971a38a7eabc4f11153aba3e026136074d3c2220e9903f0112b1ca6
  8. 07 R 35fb97dd2998d5e7c4e3d181ba32bd3d91f735eed286fbb515a31c0b6fb5e1b0
  9. 08 L 9d35dd77d8ac8fa2a04623cbe906578a5c9e2056e0a7c31d3a2ab73583734460
  10. 09 L 1993e115cb0420643adb9e46ba117d6763384f3da731a2478a3d4532cf407d04
  11. 10 R 2facd788024b69db6282d8e8a4be627dc9d4046e2f974e2874bf7db64b25eb5b
  12. root  c7c92dfc41c72b224b2b8ad3c5957d4fa8a94eaab74d23b69d27e3741e579451