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 & HIGHWAYS-CAMARINES SUR 2ND DEO Award a ₱1.9M contract to PHIL MANNA CONSTRUCTION AND SUPPLYNational agencies

Transaction hash:

83e6ce4a3e374eb6dfdc6cbb22a0511716ab28e2fb118420f26087d63c4b3620

Status:

Included and unchanged

Block:

#1,200 4,813 blocks after it

Position in block:

Transaction 31 of 54

Award day:

Jul 25, 2011 (15 yrs 3 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS & HIGHWAYS-CAMARINES SUR 2ND DEO

To:

PHIL MANNA CONSTRUCTION AND SUPPLY

Value:

₱1,942,000.00

Project:

Contract I.D. 11FE0019-Concreting of Road, Tibgao thru Badjao-Sta. teresita-Puro-Tiwi-San Roque Road, Canaman, Cam. Sur

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS & HIGHWAYS-CAMARINES SUR 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 #1,200 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)
The award does not say which budget line pays for it.
Not published
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 & HIGHWAYS-CAMARINES SUR 2ND DEO awarded it to PHIL MANNA CONSTRUCTION AND SUPPLY on 2011-07-25.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
No matching DPWH contract record (only DPWH contracts are listed with progress).
Not published
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)
No completion certificate published.
Not published
8. Audit
COA annual audit report · Sec. 5(e)(iii)
No COA finding linked to this contract.
Not published

1 of 8 documents found, 0 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 83e6ce4a3e…4b3620now …
2. Block Merkle root changed
stored dbde1902f5…56db09now …
3. Block #1200 hash changed
stored 5172a26fa6…c95e45now …

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

Merkle proof (6 steps)

How this one record is tied to the block's Merkle root, without needing the other 53 records. Each step hashes the current value together with the sibling shown.

leaf 83e6ce4a3e374eb6dfdc6cbb22a0511716ab28e2fb118420f26087d63c4b3620
01 L 826c41994263ef1a5b092089c3de471fac302e7c85907346c0dd0779e048cd78
02 L 58eabadc1e6041ba6e895f723c3f94f64dba268a5681cc3e697c7261620c4cdb
03 L dadf27acda14b8046cbd914dd5b91af78cd6cfff865784fce0b9517bbd3242bc
04 L b1abc12c9d6dd2b3806ed0dda72821011123fc8e7ba1c57bb02a78dd0d9f13f8
05 L fce8dd724687c7c05d79d02e6baaf3e0b016b58086a89ed6eac952ed7bfd05e8
06 R 8b3c11bc0bd1cb8eb777513ab0dea193a4d3f14812958839de7f6653adbac974
root dbde1902f54e2b8cc5dda44f1fe30d9a2980d23b5cdac9635b169c3c4356db09