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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

MANILA INTERNATIONAL AIRPORT AUTHORITY Award a ₱565.0K contract to MAFA BUILDERS, INC.National agencies

Transaction hash:
aa4056892438a4cdccd8d9ffb427ec8b3a49fd748f922597111358f727fa3519
Status:
Included and unchanged
Block:
#4,788 1,225 blocks after it
Position in block:
Transaction 11 of 17
Award day:
Apr 29, 2022 (4 yrs 6 mo ago)
Value:
₱565,000.00
Project:
Supply of labor and materials

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 #4,788 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)
    MANILA INTERNATIONAL AIRPORT AUTHORITY awarded it to MAFA BUILDERS, INC. on 2022-04-29.
    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   aa40568924…fa3519now      …
  2. 2. Block Merkle root changed
    stored   17ccfa84ed…f7e247now      …
  3. 3. Block #4788 hash changed
    stored   6cea53710e…f7a89cnow      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (5 steps)

How this one record is tied to the block's Merkle root, without needing the other 16 records. Each step hashes the current value together with the sibling shown.

  1. leaf  aa4056892438a4cdccd8d9ffb427ec8b3a49fd748f922597111358f727fa3519
  2. 01 L 75158af163b927a6789a0b99fda5b70fcdf5da69222b3392645483af95372696
  3. 02 L c822785e6d6891063b8ab4ddf26933843158c801f263828681e39a38b4c0259a
  4. 03 R e542d742428bb24fbeecb8fdd7668657042d69c0f11321665f2a957a32cfc8e4
  5. 04 L f447f46221115f73cad78b51543b829569bd170c5bf198649d65837ebaa429fb
  6. 05 R 3b56cf6ae56103a7a2cadbcb5448d29692eee6ab81e5f36a1ec5a4041e19f9ef
  7. root  17ccfa84edcecef963b94bc271fa4e0b7bf8bc790dba8279bfdc0e13dff7e247