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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 ₱3.9M contract to BOMEL CONSTRUCTIONNational agencies

Transaction hash:
a475aa3dacd5ced52cfe18236b68ec1da6748998dd66fe2db34c81a5bd6df69c
Status:
Included and unchanged
Block:
#3,396 2,617 blocks after it
Position in block:
Transaction 201 of 328
Award day:
Apr 20, 2018 (8 yrs 6 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 #3,396 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 2018 LP", i.e. the FY2018 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 BOMEL CONSTRUCTION on 2018-04-20.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 18DD0337: 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 2018-08-05). 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   a475aa3dac…6df69cnow      …
  2. 2. Block Merkle root changed
    stored   797a338b04…098f71now      …
  3. 3. Block #3396 hash changed
    stored   1ab056aa18…259bd5now      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (9 steps)

How this one record is tied to the block's Merkle root, without needing the other 327 records. Each step hashes the current value together with the sibling shown.

  1. leaf  a475aa3dacd5ced52cfe18236b68ec1da6748998dd66fe2db34c81a5bd6df69c
  2. 01 L a26aed4932d97a9bc10cd67513f0611d6700b032535b257167f9e357324b92ec
  3. 02 R 5976f9a03ca4f671a48347e63dbec610a660e2d96528397ad07f59287ed7b158
  4. 03 R 07d8aa6263af00833718525100a0d08163077ec3384b9377deddff69d0dc7891
  5. 04 L ea3afc08e8ba424058594959a4047e46e01e9654c3c89accc8bbfd53c99483cb
  6. 05 R ee5b3b8fab09c37602fb11fd6e2176c1f3d77d5e3e4553e415296a6cdd738fc3
  7. 06 R 01f266a6eaf49802385c5257917db5aea87dae431ce33d2dcd8c9c8961f092c0
  8. 07 L cf9f1bb6ae60d9c93630933ad26356625d11ba7d55d9964793b3821d7bc99a44
  9. 08 L a7150892552f5cb97c50a0ec8b8fbab4498887f7d8fcbcd7adcf98547fdb4df3
  10. 09 R 4c264bb01b8424ac1e267b518167fddc3daff895574794123f3c5f85db8c18e4
  11. root  797a338b0432c3c30ffaad3700d4d7e816f6d692c3176d01a4a10afee5098f71