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 PUBLIC WORKS AND HIGHWAYS - QUEZON IV DISTRICT Award a ₱46.6M contract to BOMEL CONSTRUCTIONNational agencies
Transaction hash:
71eca8df3dc0c7ec972d84c75ef16098d7c28ee22d4022a8f28d0b1afa976453
Status:
Included and unchanged
Block:
#5,849 164 blocks after it
Position in block:
Transaction 988 of 2,247
Award day:
May 13, 2025 (1 yr 6 mo ago)
Value:
₱46,586,312.70
Project:
25DL0117
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 #5,849 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 PUBLIC WORKS AND HIGHWAYS - QUEZON IV DISTRICT awarded it to BOMEL CONSTRUCTION on 2025-05-13.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 71eca8df3d…976453now …
- 2. Block Merkle root changedstored 58b95a1e2b…be60c7now …
- 3. Block #5849 hash changedstored f594188ad5…82d8d8now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (12 steps)
How this one record is tied to the block's Merkle root, without needing the other 2,246 records. Each step hashes the current value together with the sibling shown.
- leaf 71eca8df3dc0c7ec972d84c75ef16098d7c28ee22d4022a8f28d0b1afa976453
- 01 R 71edf337284b90d5504e00633086c026979bfa85d9731b776d5fec195ec30956
- 02 R 4931f2b277526b586ae6bd7df6d0c76ce4e128e5c352a2a0c5f1bee5f225fe89
- 03 L 73b495902c72873030b362b5d367595d884c9aa488450fb3a643c29bdd2aa484
- 04 L 768e2987af49af335598660c4ec9cf3cf09d98cf7856fa71d4ebc89ea16a79fe
- 05 L b71abb5151872fb08fd2484cdb073158093b02d93ec0786e141a6c92f2fd81e2
- 06 R af3633bd8e838c151a44580af043dd5a951270c14bd3c8fe3d13c13ebcb682f3
- 07 L bff1255016534f240cdd753a88ee55fef3948a1a3b755d9ae4fce85a16f9ee08
- 08 L 5f81046e63c83f129d632f44c74eb82c9c96ac91beb645630cbdb5f32857b460
- 09 L 5b5da5002a1d78057b98b07c69d06462afa74af7b804ff800429c65310c99315
- 10 L 13bc9aa393bd4a40fc4ad746fcf6392b5162ce0a209f4f4cc1d74a1c2e7729fb
- 11 R c01f869d5ef945f2f738b1b7f6a3e930cd8033c94b30d5364bc2f73cfaa394c9
- 12 R 04ba01cea06f48b384d360863d398280882c79aa1da5413a41a682b30a1107a5
- root 58b95a1e2bc6c28d4fcaa9d4af1b965925181ce379d567b394b87a4a4fbe60c7