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

API

Transaction action

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CEBU 1ST DEO Award a ₱1.9M contract to ROVILLA CONSTRUCTIONNational agencies

Transaction hash:

f52f2d2f5511187b458b95ee16df09061b53d6867094b7918e34e6aef2b78c43

Status:

Included and unchanged

Block:

#4,149 1,864 blocks after it

Position in block:

Transaction 96 of 100

Award day:

Jul 1, 2020 (6 yrs 4 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CEBU 1ST DEO

To:

ROVILLA CONSTRUCTION

Value:

₱1,878,359.27

Project:

20HD0078

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CEBU 1ST DEO

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 #4,149 signature valid Demo key, proves nothing about the governmentPublic key

Linked records: from budget to payment

Bill Sec. 5

1. Appropriation
GAA 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
Open
2. Allotment release
SARO / allotment · Sec. 5(c)(iii)
Not published per project. DBM releases SAROs, but not linked to individual contracts.
Not published
3. Cash allocation
Notice of Cash Allocation · Sec. 5(c)(iv)
Not published per project.
Not published
4. Contract award
Notice of Award (PhilGEPS) · Sec. 5(d)
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CEBU 1ST DEO awarded it to ROVILLA CONSTRUCTION on 2020-07-01.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 20HD0078: Completed, 100% physical progress.
Found
Open
6. Payment
Disbursement voucher · Sec. 5(c)(viii)
Not published. No public source shows how much of this contract has been paid.
Not published
7. Completion
Certificate of completion · Sec. 5(d)
DPWH marks the contract "Completed" (end 2020-08-25). The certificate itself is not published.
Partly
8. Audit
COA 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

Demo

Edit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.

Contract amount (₱)

1. Record fingerprint changed
stored f52f2d2f55…b78c43now …
2. Block Merkle root changed
stored 92a585eea0…260531now …
3. Block #4149 hash changed
stored 844072dc16…6a075cnow …

Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (7 steps)

How this one record is tied to the block's Merkle root, without needing the other 99 records. Each step hashes the current value together with the sibling shown.

leaf f52f2d2f5511187b458b95ee16df09061b53d6867094b7918e34e6aef2b78c43
01 R fce4b737fb01de7d08794d84da156471f4acf0b3cee75cf385bdba0199bb532a
02 R 34d671bd7d7f9b66fb4eda30f6d35cab2e25dfdfc098e94d0f3195a80cfe2743
03 R d90b44e12bcfbf3fa1e7c984c2f931a59b160b0a75e735a2c6afa245ae62a6d4
04 R cd4aec7c5c03f975248c01b146c823c1d19804aefae7fe0946d1c7a38562a6fe
05 R 7d69aa5514412b0d27e7b69371fc1210b25d7408c491e7f73f9df2892ed27200
06 L 7db409829edf61b756f9a7aa3103df8a9fd255f81ea3493360928db7b218777a
07 L 64262f208b93e1bc57f912cf5f04fb14ce5b0b2256210c54f0c3a4ad2b27c0e8
root 92a585eea01b28439814f1bac39046a6cc6721a8f3af7a252072d050fa260531