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 - CEBU CITY DEO Award a ₱5.6M contract to QUIRANTE CONSTRUCTIONNational agencies

Transaction hash:

4e29d868fc07c8792326d6a3559d0d4af9301f9de8102397b816d52e1ed72a25

Status:

Included and unchanged

Block:

#1,334 4,679 blocks after it

Position in block:

Transaction 37 of 130

Award day:

Dec 28, 2011 (14 yrs 10 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS HIGHWAYS - CEBU CITY DEO

To:

QUIRANTE CONSTRUCTION

Value:

₱5,558,888.00

Project:

Improvement / Widening from 4.0m to 8.0m of Junction Archbishop Reyes Ave. – N.G. Escario St. & Mindanao Ave. including ROW and Drainage, Cebu City

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS HIGHWAYS - CEBU CITY 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 #1,334 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 - CEBU CITY DEO awarded it to QUIRANTE CONSTRUCTION on 2011-12-28.
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 4e29d868fc…d72a25now …
2. Block Merkle root changed
stored 41f6ce16b3…5b84f9now …
3. Block #1334 hash changed
stored 198fe32b68…59bfc1now …

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

leaf 4e29d868fc07c8792326d6a3559d0d4af9301f9de8102397b816d52e1ed72a25
01 L 4ce8fb480009997ed40a1fb8c08ec154656a4fdb9666b192e386d2e1a71d3052
02 R 401ab174bb1b29b3ec4a79ecd41bfd7d76747512e5fc7a422364206397d71789
03 L 6d704d4d27121baf63f7309dad7dbe70a869dcaee4deb0278b8a7a1538fc31a5
04 R 5b268fe890613932275b0dae15f327b12d2f25178f911984accfc5f5682da184
05 R c16b77295d6ba8d4ad5bfd62e50eb70ba63f7febce494a6e9e54c6a0379ac6e9
06 L 08f2bb22c42a64dc7e4ce0add8729d3360e514087f85b4676751b85496b98248
07 R 4842c1a0c72ce69e2dafc4874d31e509c58c9fd968e4f7cbda4746c9504ed4ef
08 R d3540b1033737f13dfde8ae4c4a231dc2c6736b1b3d644e7d74391987e2aeb0b
root 41f6ce16b3970531a0065b27f54e4d540a49a0cec290e61889ace0b8b35b84f9