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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 - BATANGAS IV DEO Award a ₱14.3M contract to MEL JEAN CONSTRUCTION CORPORATIONNational agencies

Transaction hash:
64e4e996ea29d392b0065a80a0d9b4afc67cf9993fa0f9bb961bc292e629c85b
Status:
Included and unchanged
Block:
#4,289 1,724 blocks after it
Position in block:
Transaction 268 of 617
Award day:
Nov 24, 2020 (5 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 #4,289 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 2020 LP", i.e. the FY2020 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 - BATANGAS IV DEO awarded it to MEL JEAN CONSTRUCTION CORPORATION on 2020-11-24.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 20DD0280: 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 2021-03-08). 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   64e4e996ea…29c85bnow      …
  2. 2. Block Merkle root changed
    stored   7c5e21da7c…7c05fanow      …
  3. 3. Block #4289 hash changed
    stored   d7f9ef0bd8…d63964now      …
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 616 records. Each step hashes the current value together with the sibling shown.

  1. leaf  64e4e996ea29d392b0065a80a0d9b4afc67cf9993fa0f9bb961bc292e629c85b
  2. 01 R 652230bb8ee69dd71b4aaef02e6bfa62e904e87e4df4d6e74339d08fb1960043
  3. 02 R 759295b2edb23570ed07ca07d3fca8294ffc4fb9b9a8866009161eec88f4b6ca
  4. 03 L 012bac6c3b8b56d996f09a30d405037b2a5cb0f3e77a9e402361c33498b7c6fa
  5. 04 L 30c544430f59b7b4115e6ce63222695c3a1c9d8e8b4bda08dd1ead5a92785799
  6. 05 R 20b2fb317d67f71dd903ed14aec793c2cba98bd46f26400e33505034cf09d861
  7. 06 R 4c6c8539d2cd28653cf87cd0258ccfdbced24630ec3db14cc5d52fed9dd14457
  8. 07 R dc0f6e750cc93ca09a5a86a96b85b80de5323c02bba84e4408631af2df04a419
  9. 08 R 63f7736c2d58091d11d55f93482dd20e045cf663e4a77b3dba95260b78645ffb
  10. 09 L fb655b8b4b6cb101cb0b399bad7b7403e10537818003de6b78635055b36e2b5f
  11. 10 R e6b4963ed7be97282033672deca7ce82cb0bf238929d5b934455937cfd53e440
  12. root  7c5e21da7c16a717aacef7a819d1dd0b71ed2b833da72ed4975498f9af7c05fa