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 - PALAWAN 2ND DEO Award a ₱552.0K contract to IVY MICHELLE TRADING AND CONSTRUCTIONNational agencies

Transaction hash:

45d098eae609dfc2fc94e26d83f50b1083d1978f11e54607564902930d480f49

Status:

Included and unchanged

Block:

#1,197 4,816 blocks after it

Position in block:

Transaction 11 of 44

Award day:

Jul 20, 2011 (15 yrs 3 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS & HIGHWAYS - PALAWAN 2ND DEO

To:

IVY MICHELLE TRADING AND CONSTRUCTION

Value:

₱551,954.00

Project:

Supply & delivery of paint materials for use in the Repainting of Concrete Bridges along Puerto Princesa South Road PPSR

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS & HIGHWAYS - PALAWAN 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 #1,197 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 - PALAWAN 2ND DEO awarded it to IVY MICHELLE TRADING AND CONSTRUCTION on 2011-07-20.
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 45d098eae6…480f49now …
2. Block Merkle root changed
stored 754dba848f…70dfc2now …
3. Block #1197 hash changed
stored da21251f3a…f46986now …

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

leaf 45d098eae609dfc2fc94e26d83f50b1083d1978f11e54607564902930d480f49
01 L 431ac1972371875238829bc213a1712964968b0eba0d1ee046c5f9e2fb033a83
02 L eafe41e631b4e07b6922bf02bef05dadb1dc8baa48000738c5b0ab6e5b1d7ee2
03 R 96d8efa32ed5af6b0479877e1f52873f29d58ed09219633a37772eabe79944bb
04 L 73a5f01ca82208d8ae4c071b0a591193f4e8bb9c1e16dfffcc5fd30b873ca648
05 R 5d09c58c27578b89dfdbf3107068f26c002379f83ab2150fb64576de505d9328
06 R b36d7d6c955d6ed4d673a4e1d1d8360cde8bef415910543164d559ee10cdeb46
root 754dba848f04f960d9b73d5db0d1059a07d4ac13f39905e3b3ca021dfe70dfc2