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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 - EASTERN SAMAR DEO Award a ₱4.5M contract to TUBIGAN BUILDERSNational agencies

Transaction hash:
5805e45faa0ce51ef692aa7a023a68e92cb80132da1586922f716914c1051275
Status:
Included and unchanged
Block:
#3,602 2,411 blocks after it
Position in block:
Transaction 112 of 357
Award day:
Nov 26, 2018 (7 yrs 11 mo ago)
Value:
₱4,462,530.42
Project:
18IB0233 - Modified Standard DPWH-DepEd One-Storey

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 #3,602 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 "Outside Infra - GAA 2018 DepEd BEFF", 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 - EASTERN SAMAR DEO awarded it to TUBIGAN BUILDERS on 2018-11-26.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 18IB0233: 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 2019-05-20). 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   5805e45faa…051275now      …
  2. 2. Block Merkle root changed
    stored   46b174fb54…4bbc3anow      …
  3. 3. Block #3602 hash changed
    stored   4d2b3f8871…14ca3fnow      …
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 356 records. Each step hashes the current value together with the sibling shown.

  1. leaf  5805e45faa0ce51ef692aa7a023a68e92cb80132da1586922f716914c1051275
  2. 01 R 5820e3db0a5f3bda4cb5415e91e3fd9e0fcd2d77512c89a4e525b65a735d31e2
  3. 02 R 38ec229581977bb9a9fec17e9307e7320a37fb2ef2681248a425a3edc5765ef7
  4. 03 R 18db268e1afbcacb154a8fdb2f04992f6b837495125d12a25d97c22bc1ba36a0
  5. 04 R 533ad83a80a9b1d6b441f2ed27215c01478f90d4c50150d1a0bef9a25080dd74
  6. 05 L 3270266f49c9b0bc15488ff6e31debb25527d6b91e89fd84e415b84793233467
  7. 06 L a6b6a7f8cd2ac0403a9162b6b7dd0fd0bf3a1127a08317557caa183e7855b7dc
  8. 07 L d4086b93de653751a2b286eb5565c46963dfb2d5c7fd3fccb605ed1cf3572a2d
  9. 08 R 2546a4b22310d76b66e60f297b0e1fb08091fbff2809ae453b83a6dd05a5ca94
  10. 09 R 4331d3f249b7ac6510f9e942c7e46292c796ea42a1e8ea78629d00b80548b77c
  11. root  46b174fb544224d2d9d6963ee8e0835de2004c0b9997c974662f4b83034bbc3a