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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 - BULACAN 1ST DEO Award a ₱940.7K contract to TBB CONSTRUCTION CORP.National agencies

Transaction hash:
dc408db91108b6b1ff0e116a3a062fb81d79000467756947647bcf1fd2c47270
Status:
Included and unchanged
Block:
#3,930 2,083 blocks after it
Position in block:
Transaction 162 of 184
Award day:
Nov 7, 2019 (7 yrs ago)
Value:
₱940,653.91
Project:
Batia HS, NV5, Batia, Bocaue, Bulacan

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 #3,930 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 - BULACAN 1ST DEO awarded it to TBB CONSTRUCTION CORP. on 2019-11-07.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 19CC0285: 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 2020-01-19). 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   dc408db911…c47270now      …
  2. 2. Block Merkle root changed
    stored   55845a7b35…f25051now      …
  3. 3. Block #3930 hash changed
    stored   08c261ee2e…848690now      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (8 steps)

How this one record is tied to the block's Merkle root, without needing the other 183 records. Each step hashes the current value together with the sibling shown.

  1. leaf  dc408db91108b6b1ff0e116a3a062fb81d79000467756947647bcf1fd2c47270
  2. 01 R dc4508dd59c43b33a4a5fea068ac97c9d2f81cd24f2422ee7ca771c920052f6c
  3. 02 L 0ccfc148546248ff5b190ff6590b0508d96b4e89f298277569e9710b501778eb
  4. 03 R 145b185642a55c6eaf6a143a69f71cd04b104785d7bea05eae3438fcbeadb82e
  5. 04 R c69e56ab4244118978e0f71859878fbc05e65af1cd1d97c4cf154d70a2a19190
  6. 05 R ee6ac02af29e56776a6ecdefd7dd9ee1220a3950dcb11436ad467c254b84ace7
  7. 06 L cbee0ba852e456af7cbf2fb95183fc04dd9bf9fafd91ea0a41aa9b7be93190d4
  8. 07 R bfa02aefd5353121a51938928ca904738e21494b972ba6ffa79ab822ccba945c
  9. 08 L 97881b8e821491dea269c75e555866d792519ed49c686bd88efa960750ad9a99
  10. root  55845a7b35cc601d14e9099d92478557cef99e24e1848c593696e751c3f25051