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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

CIVIL AVIATION AUTHORITY OF THE PHILIPPINES Award a ₱60.8M contract to ROIM BUILDERS AND CONSTRUCTION SUPPLYNational agencies

Transaction hash:
35c7cb09f998a91daaafb2a8fa765340e20d36b1a8156a458a4bf96816591135
Status:
Included and unchanged
Block:
#4,459 1,554 blocks after it
Position in block:
Transaction 48 of 254
Award day:
May 25, 2021 (5 yrs 5 mo ago)
Value:
₱60,805,029.83
Project:
21-004-02 CHARLIE SURIGAO AIRPORT DEVELOPMENT PRO

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 #4,459 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)
    CIVIL AVIATION AUTHORITY OF THE PHILIPPINES awarded it to ROIM BUILDERS AND CONSTRUCTION SUPPLY on 2021-05-25.
    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   35c7cb09f9…591135now      …
  2. 2. Block Merkle root changed
    stored   2712709c3d…9ce817now      …
  3. 3. Block #4459 hash changed
    stored   7ac0eba462…25d99enow      …
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 253 records. Each step hashes the current value together with the sibling shown.

  1. leaf  35c7cb09f998a91daaafb2a8fa765340e20d36b1a8156a458a4bf96816591135
  2. 01 R 366054ac9a11de1e9fac52d843af9c8fdec79b1074aff10592f5961f312d5102
  3. 02 R 7cc0aac914e969611d10da1574261022e4d1d9d312fc892b5f11851d5f47cdde
  4. 03 R 782609dd9268096e7d49711387ca9dcfdd22123eb1379dc03aa9de98e4f9059c
  5. 04 R 6a9de24da983965014b27c6d837a7b515e3c024f2622bd98b0ee18ea9d3aff91
  6. 05 L 7efdce092fe9007252dc6c2e99faaa1f6925e136af82d383b2704dca42f1267e
  7. 06 L 6ced37006d6f1f604caaa291a1f7727ba3adb3229d5edfe5fc3b908a2d6f75aa
  8. 07 R 53cff1908e27d3caa705dc7f1dced689cf2d86f582a29cdeb9c1f42f32e5593c
  9. 08 R be44334313f25721c65d8e874ef49596d6c79b065974fcb5bb183b4c618bd85e
  10. root  2712709c3d597baddaaac69b757fd800d611978238c60efc2f98f0be1c9ce817