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 - DAVAO DEL SUR 1ST DE Award a ₱341.4K contract to LLM CONCRETE PRODUCTSNational agencies

Transaction hash:

8bf3363271dab2b19cd301b4641e9ec9956fc876345909914b37da982836e8b4

Status:

Included and unchanged

Block:

#1,072 4,941 blocks after it

Position in block:

Transaction 6 of 11

Award day:

Feb 15, 2011 (15 yrs 8 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS & HIGHWAYS - DAVAO DEL SUR 1ST DE

To:

LLM CONCRETE PRODUCTS

Value:

₱341,421.90

Project:

Repair/Improvement of Multi-Purpose Building at Bansalan, Davao del Sur

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS & HIGHWAYS - DAVAO DEL SUR 1ST DE

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 #1,072 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 - DAVAO DEL SUR 1ST DE awarded it to LLM CONCRETE PRODUCTS on 2011-02-15.
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 8bf3363271…36e8b4now …
2. Block Merkle root changed
stored 4090ceb8ae…8da515now …
3. Block #1072 hash changed
stored a676f44ab2…15b34dnow …

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

Merkle proof (4 steps)

How this one record is tied to the block's Merkle root, without needing the other 10 records. Each step hashes the current value together with the sibling shown.

leaf 8bf3363271dab2b19cd301b4641e9ec9956fc876345909914b37da982836e8b4
01 R 9318d4ccb72ec7bb5cbd2d87599356c304f534ff9b3a267dd02090014d5d7d01
02 L 659c14c39c0fb89006c048e9173e0059c0f1627789c955c88851d14673b615bf
03 L e5d7c3fa2eda19046e2325da5c1a735d95625bc9c3896fddad216482359470c8
04 R 826b036d3ac3c8c115aab7f1682eadccc44e8b944cea5299d4a218d11348f7a8
root 4090ceb8ae81da30e943a753b7f3f8c19ad337591edbf90b9ac627a6bd8da515