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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

NATIONAL IRRIGATION ADMINISTRATION - MAGUINDANAO Award a ₱19.0M contract to TAMONTAKA BUILDERSNational agencies

Transaction hash:
43dad55a1c0fa5b68e276fa213833bdf25bff13da269bbf608bf4776a03293de
Status:
Included and unchanged
Block:
#4,562 1,451 blocks after it
Position in block:
Transaction 64 of 237
Award day:
Sep 8, 2021 (5 yrs 2 mo ago)
Value:
₱19,044,186.03
Project:
SAPALAN RIP CY 2020 PACKAGE 3a (Re-bid)

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 #4,562 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)
    The award does not say which budget line pays for it.
    Not published
  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)
    NATIONAL IRRIGATION ADMINISTRATION - MAGUINDANAO awarded it to TAMONTAKA BUILDERS on 2021-09-08.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    No matching DPWH contract record (only DPWH contracts are listed with progress).
    Not published
  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)
    No completion certificate published.
    Not published
  8. 8. Audit
    COA annual audit report · Sec. 5(e)(iii)
    No COA finding linked to this contract.
    Not published

1 of 8 documents found, 0 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   43dad55a1c…3293denow      …
  2. 2. Block Merkle root changed
    stored   f803327422…e8d9cenow      …
  3. 3. Block #4562 hash changed
    stored   d5c388dd66…a39ae2now      …
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 236 records. Each step hashes the current value together with the sibling shown.

  1. leaf  43dad55a1c0fa5b68e276fa213833bdf25bff13da269bbf608bf4776a03293de
  2. 01 R 447c861d1a9a407276902875361f37035cf17caa2d27b7a10b663a571e379207
  3. 02 R fb690d4df61299ce61176c6d3f2759623149bbbc1a6062e74cda9d297100d8e6
  4. 03 R 103d8da04fa34a95b62ad1f4116fd59756af32ca20c39b84f25992628bd67719
  5. 04 R 434ea4172c0e7252f10480575bb4117bd82ac8bc0bf89ae83d07521bac9e4676
  6. 05 R b7d585d45d56818120859bb63bc5ca1c5a315f5cf5b32326a2da2fc952194f45
  7. 06 R 8dfeb5b829c0921dfccd615f0b988ca724fdc881eecf2b5b993b57059ac7399e
  8. 07 L 5204a785f6d5bbc546cdaab9a6b1ec61843f7495ef1f32856ecc5cdb4a001829
  9. 08 R d6ff6d5425cb313e9b6defce7ccda738e7f365495740997db9c337719203ab78
  10. root  f8033274221f30bff0133cb26476db7eb00809b25720ff7592776326eee8d9ce