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 - COMPOSTELA VALLEY Award a ₱8.6M contract to R. SEMILLA CONSTRUCTION AND MARKETINGNational agencies

Transaction hash:

68cf4965ff53c7acd477ee3c9671aff3fedcc756e00fea1a7da40c2496a8f621

Status:

Included and unchanged

Block:

#2,807 3,206 blocks after it

Position in block:

Transaction 50 of 111

Award day:

Jul 29, 2016 (10 yrs 3 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - COMPOSTELA VALLEY

To:

R. SEMILLA CONSTRUCTION AND MARKETING

Value:

₱8,606,328.42

Project:

16LA0181

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - COMPOSTELA VALLEY

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 #2,807 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 - COMPOSTELA VALLEY awarded it to R. SEMILLA CONSTRUCTION AND MARKETING on 2016-07-29.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 16LA0181: 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 2017-03-01). 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 68cf4965ff…a8f621now …
2. Block Merkle root changed
stored 81b7483705…6e0b28now …
3. Block #2807 hash changed
stored e322a830de…c26f05now …

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

leaf 68cf4965ff53c7acd477ee3c9671aff3fedcc756e00fea1a7da40c2496a8f621
01 R 6c8ba82b7ab4c94ca8c707b08c4a861462a281582d61d5adfd9446079e2e7d2a
02 L d55f0fb100353760c5ec7b64470d5adfd9400c76080ff2f1cec26601bff36a80
03 R f69b417232facd4cb5a425145a3256e6a444da6827cf02d7045b10eafa8caa30
04 R 8f8c51478f797f32188a2b4bab919acfcd3c07af31a1002b651163bf79aa59cf
05 L 4865b1c6c2869ad61f83e09e83064ee0ec93d76330af690a206231493f91ee1b
06 L ad777547c8a97f6480eface178bccff6ee78bbe599bfa172a9a0865faade7deb
07 R 8596e39abc532b9e241473ac983e74f0c8cb30c4d1f350c4579ba5caeca2c161
root 81b748370544a0eb9031f01ff7740b05631c0179f3f158e88c2b75221d6e0b28