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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 ₱4.5M contract to GEA CONSTRUCTION CORPORATIONNational agencies

Transaction hash:
dd6ffa69edaeceef6b9adbc0e6e03d4bf45497bab19846feb116eec55e1aa59b
Status:
Included and unchanged
Block:
#1,335 4,678 blocks after it
Position in block:
Transaction 129 of 141
Award day:
Dec 29, 2011 (14 yrs 10 mo ago)
Value:
₱4,479,750.61
Project:
Construction of Administrative Building in San Jose Airport

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 #1,335 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 GEA CONSTRUCTION CORPORATION on 2011-12-29.
    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   dd6ffa69ed…1aa59bnow      …
  2. 2. Block Merkle root changed
    stored   6d42e03b05…a42f67now      …
  3. 3. Block #1335 hash changed
    stored   1cfb382f59…8b94c9now      …
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 140 records. Each step hashes the current value together with the sibling shown.

  1. leaf  dd6ffa69edaeceef6b9adbc0e6e03d4bf45497bab19846feb116eec55e1aa59b
  2. 01 L dc937b71a2dea769c90f3388a9815c7b0e6b1516047c1f1156a91065f678904e
  3. 02 R 9c45c9cf7da310692b9734de1ad6f86304e45e5899132d6fa4b8a84ca02a7756
  4. 03 R 4f505e969541150d5219290cdecb9cd352e2712ba775816cd6d16cae2a5ca32b
  5. 04 R aa364f67500f026be79dcdbfb71a72f64772f4168cc81eafd6884953f9b18aae
  6. 05 R 8739b9d107976ead23571f8099b73ba6b294f8f092e2daa47a6c0efd164d0d77
  7. 06 R 162ffcc703a004756ac2e1418e2c2cad27975e8c51413dfaddb085b953c038f7
  8. 07 R e626e936a60e0ffbeec228f8bad8ca98c18221b4f2e0e8d68002ea4d27ed99de
  9. 08 L 4e90bf5b64b30a8293aa1ba95fe38e6631a8246f7595330802886eeb9384f6e6
  10. root  6d42e03b0506e8f5e4c4884830efb830e1f6ff5de4b7c1245502e68ec7a42f67