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 - QUEZON 1ST ED Award a ₱659.9K contract to R.V. LABORTE BUILDERSNational agencies

Transaction hash:

ded892e8131d4f7972f31bb00e0b9e30650543ec55411496a7b085f7fc2e99c3

Status:

Included and unchanged

Block:

#1,500 4,513 blocks after it

Position in block:

Transaction 50 of 54

Award day:

Jul 6, 2012 (14 yrs 4 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 1ST ED

To:

R.V. LABORTE BUILDERS

Value:

₱659,932.43

Project:

Repair/Maintenance of Asphalt Pavement along MSR Daang Maharlika, Tayabas City

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 1ST ED

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 #1,500 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 - QUEZON 1ST ED awarded it to R.V. LABORTE BUILDERS on 2012-07-06.
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 ded892e813…2e99c3now …
2. Block Merkle root changed
stored d6b86b0108…1e83c9now …
3. Block #1500 hash changed
stored c22ff33e02…302df7now …

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 ded892e8131d4f7972f31bb00e0b9e30650543ec55411496a7b085f7fc2e99c3
01 R e0694e855721c3549894c8c58528e9222ca76f56b0905739587cd9b15f08515f
02 L 241dfe7eb9c43effabd30ab7fd85d895df5bda4b59b0750a1ff56e4c801ec582
03 R 04d3b057b0b911818f83821d8f251f42d392a70a6ccfb387faf8a6e399ed229e
04 R 128238761a92a3c2883f8c3c3253a53c3e3b2104f1ff9cb994fe8bcf859a53be
05 L 1fde595db78fb7389f9b4d6ce1b1dea7153b5ab54cb1239495a4eba91f9f0b68
06 L aac46037f0bc2495286a794e3b6df102542f169202c0bc27cecc85c696b6d75c
root d6b86b0108683606943ab40a066fdf0951d89eaeab50827d4b3c3912911e83c9