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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 ₱5.2M contract to ALPHATEC CHEMICAL CORP.National agencies

Transaction hash:
d208c8fdb18e06db70d351a0e1c59510ba6128bd93c532981dd4e052a6bd72ca
Status:
Included and unchanged
Block:
#4,701 1,312 blocks after it
Position in block:
Transaction 813 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   d208c8fdb1…bd72canow      …
  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  d208c8fdb18e06db70d351a0e1c59510ba6128bd93c532981dd4e052a6bd72ca
  2. 01 L d14b9a3e16e23cb41f88434fcb18a8a1dd5c0ae224b0ca5cc74168c218f74534
  3. 02 R d2726a17318d746920fc1ceda0ee9465a8018e6c6fdf400b967ebadf0bb46e8d
  4. 03 L 37823d0dbe5fdb3812af931b473b89dff36132a7baddd178a1f0c9bcf502f9f3
  5. 04 L 83dc88cf27988664e910469a19eadd5e66682a474ece4d04eddfeb8fae945505
  6. 05 R f3618055803598101ffa5b5ffe7a76d30d56bfdfc6026c7805d29fdefb5b4601
  7. 06 L a1a9b1469c928cd066629376496a9cb172ee33a6732dc0f2c23e18664f22f68b
  8. 07 R 6d01ed632619badaaa490d16fbcaf0733ea01df216ce2bd9bf6668f5b0d043d3
  9. 08 R e9c8210094f96e345bee03441ab3378b68d277db8c5be8e44d0fc514ba2ad806
  10. 09 L 2e43fdd1a55dfa0cabb9300b219c6dfd7f3e29ff4d9a93ebf24aa46ce69231ee
  11. 10 L 05035345cd31df50961c4664e549075fc94cea27bff60f6b07697b5421e2abd9
  12. root  c7c92dfc41c72b224b2b8ad3c5957d4fa8a94eaab74d23b69d27e3741e579451