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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 - BUTUAN CITY DEO Award a ₱2.4M contract to QUADCON BUILDERS AND DESIGNNational agencies

Transaction hash:
0a5dcda36e009986a0337a8bfc79db91a13092c6a6c7a00a7ea9722db66497bc
Status:
Included and unchanged
Block:
#3,868 2,145 blocks after it
Position in block:
Transaction 17 of 263
Award day:
Sep 4, 2019 (7 yrs 2 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 #3,868 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 - BUTUAN CITY DEO awarded it to QUADCON BUILDERS AND DESIGN on 2019-09-04.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 19ND0099: 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 2019-11-18). 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   0a5dcda36e…6497bcnow      …
  2. 2. Block Merkle root changed
    stored   781069f0ca…1070b7now      …
  3. 3. Block #3868 hash changed
    stored   687df7294c…873068now      …
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 262 records. Each step hashes the current value together with the sibling shown.

  1. leaf  0a5dcda36e009986a0337a8bfc79db91a13092c6a6c7a00a7ea9722db66497bc
  2. 01 L 0a52c4b1d21f390053bce16407cb6d8e2d911d7b52181e9d4cc87f2e2aeb26b6
  3. 02 R 0741208cb686f8e0b940d65eb8152cc7c46894e334274c02106530d79adcc166
  4. 03 R b654a3104be3c29bd2c9c9d5ff7321ce0e267374f79e330b3692d304a34e8bb9
  5. 04 R 68b8a3a1458747e2f6e1267148eb165a56454a380fe666c8f571650796f8ae03
  6. 05 L e184be3ba862adfa955f5b6d130655ddf11fedb11637f7bfe3652142984b320e
  7. 06 R ae4c9c80ae81194467b0b695999655cae680e598128ca605fadfcc3a395159ae
  8. 07 R db7f6c9252740e7a9559e8b6c18e1bba947288811f6a3a0dea472f9a1ac0ab35
  9. 08 R 7da1f5891cae0b8ae23739656200c880b96985261be964f874b2092b7a4959d2
  10. 09 R e4ff504a852f440408e299bb20ecafc854d0ad74eda60db2a86c9035b3936735
  11. root  781069f0ca2defbf7edd420950df086319dad9dad1513968c7cc6cd1821070b7