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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 - PAMPANGA 2ND DEO Award a ₱28.2M contract to TONKA CONSTRUCTIONNational agencies

Transaction hash:
dbe6fe6def95ff7faebd1cb3f7da8e707f386f09a04bb8f375fd173a2bb9cb2b
Status:
Included and unchanged
Block:
#3,801 2,212 blocks after it
Position in block:
Transaction 683 of 795
Award day:
Jun 26, 2019 (7 yrs 4 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 #3,801 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 2019 LP", i.e. the FY2019 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 - PAMPANGA 2ND DEO awarded it to TONKA CONSTRUCTION on 2019-06-26.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 19CH0077: 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 2020-01-12). 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   dbe6fe6def…b9cb2bnow      …
  2. 2. Block Merkle root changed
    stored   257c36e0d5…2b90bfnow      …
  3. 3. Block #3801 hash changed
    stored   582aead2af…29e3eanow      …
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 794 records. Each step hashes the current value together with the sibling shown.

  1. leaf  dbe6fe6def95ff7faebd1cb3f7da8e707f386f09a04bb8f375fd173a2bb9cb2b
  2. 01 L db2cf6b6def322b29e560ca25a95c813e8bac730339495e87f603432883a0efc
  3. 02 L 8986849b90cf688a9edde01a33f530ac74fb32c4736332139a6bab0de91fdfdf
  4. 03 R 18fa64b8406cd52a0534b9638636d56f54d304145f02bd192b2f157abd7619c1
  5. 04 L 668f01bff7bc98314bac3e9c820da29656cc4f0b69fe4b9404b9ca77b6d98dba
  6. 05 R 3fed21b50c809f65aa8b3c63a34e8c4f42942504ae0c6b9d7f5c65a2b81f51ef
  7. 06 L 0c64856f7c3afae0b6120abfbefa36d97d6574371ecb2877363a0adca977344c
  8. 07 R 2ebee5a2e4696d4917125088e0901725aa8693dbd52ccc0b85f243cc519eb139
  9. 08 L 367f776616cf7cc8d2d055997df7246499df5be70e6c30808d226e9704928872
  10. 09 R aaa65d38cfdbd8407069f3fad65e27125cf41227cb20989b5492501066636e45
  11. 10 L 94b17d4a2f48141025301925f9d9d889b9da003d6c7e87520aa550e8dbf36e95
  12. root  257c36e0d56b9fb7e7e65e9873560b7bc46524ca70f0dade74bc13350c2b90bf