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 - CEBU CITY DEO Award a ₱2.0M contract to M.C. BUYSER CONSTRUCTION & SUPPLYNational agencies
Transaction hash:
fbd9bed702b49d600d387ffad80992ce257f7654bb259ef6b126c53dc1dc3092
Status:
Included and unchanged
Block:
#4,310 1,703 blocks after it
Position in block:
Transaction 135 of 138
Award day:
Dec 18, 2020 (5 yrs 10 mo ago)
Value:
₱1,969,733.10
Project:
20HH0047
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 #4,310 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 2020 LP", i.e. the FY2020 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 - CEBU CITY DEO awarded it to M.C. BUYSER CONSTRUCTION & SUPPLY on 2020-12-18.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 20HH0047: 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 2021-02-15). 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 fbd9bed702…dc3092now …
- 2. Block Merkle root changedstored 7606851685…bb7745now …
- 3. Block #4310 hash changedstored 6a98cf2726…6ffcb3now …
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 137 records. Each step hashes the current value together with the sibling shown.
- leaf fbd9bed702b49d600d387ffad80992ce257f7654bb259ef6b126c53dc1dc3092
- 01 L f79fc1d0b03cffb4983870ee0b83254433efd196432093a240cf342f9b9f20b2
- 02 L a867c3c345539aac77e833b48222a8054f81387a8e671d4858e775455b0ce29d
- 03 L 8fe839aac1f35f4157ac752d1173a31e586134c0dc81d888ec508b450d814f30
- 04 R fc3adbafd7f9621c14b0d40d85ecacbdc0db46c7b2ce0b8eb5dff127f630b035
- 05 R 740041fad51d5b5bcb4ca0746d3013b6f2049c25b55885971390dbd9a5b0420e
- 06 R 2bf236ad39dabb5730363c2bfab928129c3cf9871511c2e02188f326ecb6759e
- 07 R 12d33d70ba87e56b4a10664a6b660d6199b154d977c114d963add4615d59ccc2
- 08 L 908c4133ee524fce2a6ced5353021ad43a9c01a8a7426f7d902b6d52b551545f
- root 7606851685ca7397d9471536edabcc064ad7007bbf1a09f531cd60b545bb7745