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
APITransaction 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
Full record:
Accountability
Bill Sec. 3 and 19Responsible agency:
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. AppropriationGAA line item · Sec. 5(b)The award does not say which budget line pays for it.Not published
- 2. Allotment releaseSARO / allotment · Sec. 5(c)(iii)Not published per project. DBM releases SAROs, but not linked to individual contracts.Not published
- 3. Cash allocationNotice of Cash Allocation · Sec. 5(c)(iv)Not published per project.Not published
- 4. Contract awardNotice of Award (PhilGEPS) · Sec. 5(d)CIVIL AVIATION AUTHORITY OF THE PHILIPPINES awarded it to GEA CONSTRUCTION CORPORATION on 2011-12-29.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)No matching DPWH contract record (only DPWH contracts are listed with progress).Not published
- 6. PaymentDisbursement voucher · Sec. 5(c)(viii)Not published. No public source shows how much of this contract has been paid.Not published
- 7. CompletionCertificate of completion · Sec. 5(d)No completion certificate published.Not published
- 8. AuditCOA 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
DemoEdit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.
- 1. Record fingerprint changedstored dd6ffa69ed…1aa59bnow …
- 2. Block Merkle root changedstored 6d42e03b05…a42f67now …
- 3. Block #1335 hash changedstored 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.
- leaf dd6ffa69edaeceef6b9adbc0e6e03d4bf45497bab19846feb116eec55e1aa59b
- 01 L dc937b71a2dea769c90f3388a9815c7b0e6b1516047c1f1156a91065f678904e
- 02 R 9c45c9cf7da310692b9734de1ad6f86304e45e5899132d6fa4b8a84ca02a7756
- 03 R 4f505e969541150d5219290cdecb9cd352e2712ba775816cd6d16cae2a5ca32b
- 04 R aa364f67500f026be79dcdbfb71a72f64772f4168cc81eafd6884953f9b18aae
- 05 R 8739b9d107976ead23571f8099b73ba6b294f8f092e2daa47a6c0efd164d0d77
- 06 R 162ffcc703a004756ac2e1418e2c2cad27975e8c51413dfaddb085b953c038f7
- 07 R e626e936a60e0ffbeec228f8bad8ca98c18221b4f2e0e8d68002ea4d27ed99de
- 08 L 4e90bf5b64b30a8293aa1ba95fe38e6631a8246f7595330802886eeb9384f6e6
- root 6d42e03b0506e8f5e4c4884830efb830e1f6ff5de4b7c1245502e68ec7a42f67