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 - MT. PROVINCE I DEO Award a ₱14.5M contract to JBA CONSTRUCTION AND BUILDERSNational agencies
Transaction hash:
46dbf4b65620652e1ec665b41c8896dc2a1e2ec32a5f29fbbf4bb2dd56536b76
Status:
Included and unchanged
Block:
#4,550 1,463 blocks after it
Position in block:
Transaction 54 of 218
Award day:
Aug 27, 2021 (5 yrs 2 mo ago)
Value:
₱14,461,998.56
Project:
21PI0063
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 #4,550 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 "Regular Infra - GAA 2021 OO-1", i.e. the FY2021 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 - MT. PROVINCE I DEO awarded it to JBA CONSTRUCTION AND BUILDERS on 2021-08-27.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21PI0063: 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 2022-01-28). 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 46dbf4b656…536b76now …
- 2. Block Merkle root changedstored 47294f3bc1…a4e51bnow …
- 3. Block #4550 hash changedstored d701fd20f6…e37bbbnow …
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 217 records. Each step hashes the current value together with the sibling shown.
- leaf 46dbf4b65620652e1ec665b41c8896dc2a1e2ec32a5f29fbbf4bb2dd56536b76
- 01 R 4a91163bdbe9d329bed9478dfd0307d1df25fa663e3e2822d685e6b274f6082f
- 02 L 2fb11bbf0212121db2c3a671fdea104a5f6f4828ec91a488590351c2a7cd1703
- 03 L 29b5c1ab8bc3d74823d2e9d1ce8bd48b15a1f0dbef79f63327411cfc4c407465
- 04 R 45f14ef1be0f780f1ab357830b0a98750a4e5268ade31859eb8ad5d7cfa689b6
- 05 L d6285246390ff64181c71fde38fe6e5261db56d3c5b246850596d965622ec805
- 06 L d057db5ba0e2a00843ef2fa50811d018ff32e3bc2d8018737b7287e0c880df96
- 07 R ae7b7312c955e02b072fc8c17e8e3a0571c11cf33884cccb8a4aec6c1e735363
- 08 R 73b9dfb9b0c8181e5d80cace7d8ef1305682c2f9f226ec08f74d50dee8b142a7
- root 47294f3bc186f545b48112ce3acebc861fbbfcd4e13a26190a0ee99a89a4e51b