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 - NEG. OCC. 1ST DEO Award a ₱2.5M contract to SILVERROCK CONSTRUCTION & SUPPLYNational agencies

Transaction hash:

079ae14b4887df562bcb313a26106c97aad6f19d86040507d4a7d1ac69cd4056

Status:

Included and unchanged

Block:

#2,891 3,122 blocks after it

Position in block:

Transaction 5 of 113

Award day:

Oct 27, 2016 (10 yrs ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - NEG. OCC. 1ST DEO

To:

SILVERROCK CONSTRUCTION & SUPPLY

Value:

₱2,510,291.24

Project:

16GK0120

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - NEG. OCC. 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 #2,891 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 2016 DepED BEFF", i.e. the FY2016 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 - NEG. OCC. 1ST DEO awarded it to SILVERROCK CONSTRUCTION & SUPPLY on 2016-10-27.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 16GK0120: 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 2017-02-10). 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 079ae14b48…cd4056now …
2. Block Merkle root changed
stored 1c1da7ee5d…08ffc7now …
3. Block #2891 hash changed
stored 33ae6bcc70…14f0e2now …

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

leaf 079ae14b4887df562bcb313a26106c97aad6f19d86040507d4a7d1ac69cd4056
01 L 0756643f9da46bb2eb7e1a29c675d66262a1f47699c27991db3cac338d750b4c
02 R 829be1f9a10e9f5a95bc055a54f8468d1c75fcdaeadfc95c0e62724a9ae05c7e
03 L 484825699641ca27735887b0c674d2d5918eb3154bbf7efa5ff28107dc594e44
04 R 942fbfe4d00cbf365bdaf062b024b021e59bdfb9841c4a3b71ad3b5ed9ed3309
05 R bbc212bfb9f58f5cb0dd798cb8305344f491a736de5aabc3d061ee33c9291188
06 R 6892db9d8cb544ce67091d8497b263e9f8f18032ccb9e3aea45cdc8b1df27657
07 R 472b7dd6f8351d4f45665c67d2e107afd0524c6953e433052f57671b0a2f1d9e
root 1c1da7ee5d780c1a5e7da7bf8cd52c1a13123f0eb7ddc3d5241c3b169a08ffc7