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 - NEGROS ORIENTAL 1S Award a ₱4.8M contract to MAI CONSTRUCTION AND SUPPLYNational agencies
Transaction hash:
9939bfe90eadff6b34a2cb6f5b529db311dc82e7f11ab780c456895b9e7cc48d
Status:
Included and unchanged
Block:
#4,353 1,660 blocks after it
Position in block:
Transaction 87 of 145
Award day:
Feb 2, 2021 (5 yrs 9 mo ago)
Value:
₱4,800,488.13
Project:
Construction 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 #4,353 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 LP", 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 - NEGROS ORIENTAL 1S awarded it to MAI CONSTRUCTION AND SUPPLY on 2021-02-02.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21HJ0075: 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 2021-07-22). 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 9939bfe90e…7cc48dnow …
- 2. Block Merkle root changedstored 3f84b97af2…193b7cnow …
- 3. Block #4353 hash changedstored b6bcc55fd8…b56b86now …
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 144 records. Each step hashes the current value together with the sibling shown.
- leaf 9939bfe90eadff6b34a2cb6f5b529db311dc82e7f11ab780c456895b9e7cc48d
- 01 L 976bb1f0783bb24af6eb0a04f2a131ad423e16079d095a46c889f78142fd4937
- 02 L abe321206b8d979586c06906219665989e7cbb057faa4c6cccecde9f2d6f985b
- 03 L 4bd500034aee26e96a6b9f0c996ed4373bd1b1adf7c848b990e3ecb003952155
- 04 R 0f115a2a720b98f02f0f9fa3262161b19068b2c51f7e964d37494fb8669f9471
- 05 L 494ebe00d68d761056a36c8151bd860b2f1fcc5e41814736a1a90e3819c881f3
- 06 R df2c83dd14e6c1b26e8112b3ce112f765537f2c3545396dffefcc926e9f74ace
- 07 L e8a1c21e8d1343cd3defae22e54b58df3f06e3dd66e74bf0e36a773208cec6b2
- 08 R 7b18e6b59a4b762d75e2c299969b13793495083227314815deaa05eef5b54f8e
- root 3f84b97af21bd95eacef52df40c5c313c54642f5a85eb9e040d9476e65193b7c