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 - REGION XII Award a ₱3.9M contract to T-SQUARE BUILDERSNational agencies

Transaction hash:

fe686ff4a042d3e3ca3662d52ee95c96a92dc98d26c0304265ed34e882cb247b

Status:

Included and unchanged

Block:

#252 5,761 blocks after it

Position in block:

Transaction 5 of 6

Award day:

Jan 10, 2008 (18 yrs 10 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION XII

To:

T-SQUARE BUILDERS

Value:

₱3,850,787.62

Project:

Restoration of Sarangani – Davao del Sur Coastal Road, Nacolyael Section, Glan, Sarangani Province

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION XII

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 #252 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 AND HIGHWAYS - REGION XII awarded it to T-SQUARE BUILDERS on 2008-01-10.
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 fe686ff4a0…cb247bnow …
2. Block Merkle root changed
stored 11fe2cd6b6…a9fcf0now …
3. Block #252 hash changed
stored d00c3bc833…cb2bc5now …

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

Merkle proof (3 steps)

How this one record is tied to the block's Merkle root, without needing the other 5 records. Each step hashes the current value together with the sibling shown.

leaf fe686ff4a042d3e3ca3662d52ee95c96a92dc98d26c0304265ed34e882cb247b
01 L dc3e3598d7f0c6043771fb551f1e4b31cc59de338dc3e2e5cfef11ab440e5c12
02 R 9bba9fff3246675972a16aef2aef58bdba906c87c86cdfea736ee0876fd714bf
03 L 69aa2d59bc7ce6c8f82bde66cd7b3a3a9c2cecc43c0b7ddfd993899f2aca3419
root 11fe2cd6b6eba27957cc3f740ddf1e9fe491ef4cf56446f3f9b767ff34a9fcf0