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
DEPARTMENT OF TRANSPORTATION AND COMMUNICATIONS - MAIN Award a ₱141.0M contract to VICENTE T. LAO CONSTRUCTIONNational agencies
Transaction hash:
8a39fd66f9525fb388ea2601a7f052e189e224e518c5cdf2c60b87d145146ee4
Status:
Included and unchanged
Block:
#3,603 2,410 blocks after it
Position in block:
Transaction 130 of 224
Award day:
Nov 27, 2018 (7 yrs 11 mo ago)
Value:
₱141,033,583.28
Project:
DIPOLOG AIRPORT DEVELOPMENT PROJECT
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 #3,603 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)DEPARTMENT OF TRANSPORTATION AND COMMUNICATIONS - MAIN awarded it to VICENTE T. LAO CONSTRUCTION on 2018-11-27.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 8a39fd66f9…146ee4now …
- 2. Block Merkle root changedstored 3d04f44931…3ee9denow …
- 3. Block #3603 hash changedstored 4907b836b5…6f11f9now …
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 223 records. Each step hashes the current value together with the sibling shown.
- leaf 8a39fd66f9525fb388ea2601a7f052e189e224e518c5cdf2c60b87d145146ee4
- 01 R 8b37379721b1b9cd50659743644726ee55d2e8898c3d1113c3f685f1caebf240
- 02 L d9a2ca61e1471bf1940dce6e97abcfd9e097f4a5882d5595ddb93237d8dd7078
- 03 R 758b515fc68243a30aade5212fde66fb2cb96d5597005ad86411b05885afedaf
- 04 R 3e28d695aa9649df8a7843e3a0e2b9215304dbad767b1129fbd62595577b66cd
- 05 R 19b9fd9204d6f538770dfbc723c3edf020bd46f2b52ac407b5c22fa69e7c6f81
- 06 R 6fa8e894d2fc02e62a84952b563a0e95b5b26ffe82f959b9f98c29862ee3e2ae
- 07 R e20cdb8fece6652277125abcd4039b1349b459966727e45312e99716a8104d60
- 08 L 7f420fe5f40c3173f41b7a0a0a85b8c76772ca5dfd2ce6f254cb407a777649cb
- root 3d04f44931a4d9ebf4ec78db92ca8d51e0b791410a2abfeb9f3029c8733ee9de