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 - BATANGAS IV DEO Award a ₱2.9M contract to VRV CONSTRUCTION AND TRADINGNational agencies
Transaction hash:
b24bb2ccd69df787c65f6a80c399051265d6c2789fbb06788b15f4d7ebfe0b1d
Status:
Included and unchanged
Block:
#3,122 2,891 blocks after it
Position in block:
Transaction 152 of 219
Award day:
Jul 3, 2017 (9 yrs 4 mo ago)
Value:
₱2,863,835.80
Project:
17DD0186
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 #3,122 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)DPWH lists the funding source as "Outside Infra - GAA 2017 DA FMR", i.e. the FY2017 GAA. The exact UACS line is not given.Partly
- 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 - BATANGAS IV DEO awarded it to VRV CONSTRUCTION AND TRADING on 2017-07-03.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 17DD0186: Completed, 100% physical progress.Found
- 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)DPWH marks the contract "Completed" (end 2017-09-15). The certificate itself is not published.Partly
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
2 of 8 documents found, 2 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 b24bb2ccd6…fe0b1dnow …
- 2. Block Merkle root changedstored 9998b7b1b2…5b23a3now …
- 3. Block #3122 hash changedstored e497d5ab4b…5419f7now …
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 218 records. Each step hashes the current value together with the sibling shown.
- leaf b24bb2ccd69df787c65f6a80c399051265d6c2789fbb06788b15f4d7ebfe0b1d
- 01 R b9469a6e2e4d79ef39aab1f43f19ff1a1d8308afa90dcedf2c5188188c3d0666
- 02 R 57fdbd49e753e3ccfd354e64c8980877f8a0036c7241c94263b0e58283d537cd
- 03 R 9754adac7bfbba09376b47b366daf97074c124c0e6d9ac078f8fdd1ef058b182
- 04 L 21799e25792c4679d53eb74aaea846be64edf0cae268f2986c0baf1d55ed5a30
- 05 L 9664601554eb76a809e9f2247c0ffa375f395c7472c6254ff1eafede42d12721
- 06 R 043cf74bb9e4c5c61f17447e4938affded8674b2d2863697f01159edb9e5a42b
- 07 R 7d5ae23187a889115e7114306f5f29317801203cb4747ceb9f61f5a9ab499097
- 08 L 441301d5fd128b33f99c134f053a083793ba961ede9da098d339381bfd1d07af
- root 9998b7b1b2e362d679c082cd70940ae65a8d64c41110df4bcc36a4801d5b23a3