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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 ₱1.4M contract to TUBIGAN BUILDERSNational agencies

Transaction hash:
6e9cf4d40cc12bb53ec5c656c5b147ab64b7c031f093f22b01ebb5fe931583a2
Status:
Included and unchanged
Block:
#3,809 2,204 blocks after it
Position in block:
Transaction 138 of 303
Award day:
Jul 4, 2019 (7 yrs 4 mo ago)
Value:
₱1,425,164.85
Project:
19IB0192 - Construction of Multi-purpose Building

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 #3,809 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 - EASTERN SAMAR DEO awarded it to TUBIGAN BUILDERS on 2019-07-04.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 19IB0192: 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 2019-09-04). 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   6e9cf4d40c…1583a2now      …
  2. 2. Block Merkle root changed
    stored   d93aa33fba…9d743anow      …
  3. 3. Block #3809 hash changed
    stored   1375427360…2dcdb4now      …
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 302 records. Each step hashes the current value together with the sibling shown.

  1. leaf  6e9cf4d40cc12bb53ec5c656c5b147ab64b7c031f093f22b01ebb5fe931583a2
  2. 01 R 6e9e05b331a98cfc6400595f843236fe8eb75c53eaa67ef9b46a016446e31db0
  3. 02 L 3c43826af686ed2adce1ba008845cc7b6973299eb5d97ec49c49eb6f3c36049e
  4. 03 R f3d44372484a966c0f3462b7e4758baa886b4fc46cbc436dbdd94dbe05449386
  5. 04 L a19db0f6c021067032ad10e0a23091e506201014549a2d338e2ec49da95240e2
  6. 05 R 5a35d7d61727f46964023bdf36aec64e57380eefbcd1455df3c9a8ce259b2b59
  7. 06 R 811dbe0aba3db7c0a67ca587a98a08220f540f4c576b93b4f148c42d97bb0d10
  8. 07 R 3d20c200e5314f173980211d8efaee995fbba743d090bfeea7a045394e47aa5f
  9. 08 L 132f1145711f89bd6c47cbcbdccdba27145be93c0900d24e25f1ae06e5464b6b
  10. 09 R cf820d17a4c40979d359cc6b1e644dc0edc145d143c847a150a4752b6fb647b5
  11. root  d93aa33fbae9491305e5b8d1befefa27ac734352de53955d0ee9bf1dc19d743a