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 - PALAWAN 2ND DEO Award a ₱11.5M contract to SAMURAI CONSTRUCTIONNational agencies

Transaction hash:

63b3fa60b5ebccb3a4e1ec767aefa8ac693e359a5c7dd8484a3c90bfdf85c235

Status:

Included and unchanged

Block:

#3,556 2,457 blocks after it

Position in block:

Transaction 49 of 137

Award day:

Oct 9, 2018 (8 yrs 1 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - PALAWAN 2ND DEO

To:

SAMURAI CONSTRUCTION

Value:

₱11,511,306.54

Project:

18EF0207

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - PALAWAN 2ND 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 #3,556 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 "Outside Infra - GAA 2018 DepEd BEFF", i.e. the FY2018 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 - PALAWAN 2ND DEO awarded it to SAMURAI CONSTRUCTION on 2018-10-09.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 18EF0206: 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 2019-05-26). 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 63b3fa60b5…85c235now …
2. Block Merkle root changed
stored b716d36deb…f78785now …
3. Block #3556 hash changed
stored a1d9fda014…7412c2now …

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 136 records. Each step hashes the current value together with the sibling shown.

leaf 63b3fa60b5ebccb3a4e1ec767aefa8ac693e359a5c7dd8484a3c90bfdf85c235
01 L 63947025c18cd6f63c38cad0a82206ec266af78236dccdf98dbc12f99390b9d0
02 R 41d19d3580c1a42763720c4d62539b0557fbbe10449a4b24283076e064b6c3e1
03 R aea34b45a96dfb42a53bf63b9ce57716ef856c28887d88285f7010a353a91f40
04 R faa55c4bf365954153251a7593f8d122c86a2b985a841890e4c4451aa628db66
05 L 47b1e38ff15bf65102a1b8c45d271cce1aaedc73a5e474c589947a33b2e337fa
06 L ce51220e91727ff9ce13fff5056f820d1687d2a2f3997dafbafdc55540bc151f
07 R 04e79157a3a0cad12c40fbece8403f2623e3b153ac1035732cfe2dcca6009bd8
08 R 1f751995889d6d0e50ea29ab7d7c2ad0d0003b5e5597b1b0db46e85e79400688
root b716d36deb010b1bc71470a996b4f19ea517c8578dcb06c4d47feb54f2f78785