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

CITY OF ISLAND GARDEN OF SAMAL, DAVAO DEL NORTE Award a ₱2.9M contract to LLM CONCRETE PRODUCTSCities

Transaction hash:

efa27df8426378969331a73bccff4e57f9bb8aa7d876e4805297ea9553999069

Status:

Included and unchanged

Block:

#1,015 4,998 blocks after it

Position in block:

Transaction 16 of 18

Award day:

Dec 1, 2010 (15 yrs 11 mo ago)

From:

CITY OF ISLAND GARDEN OF SAMAL, DAVAO DEL NORTE

To:

LLM CONCRETE PRODUCTS

Value:

₱2,875,317.68

Project:

Eco Park Development – Sampao Lanfill Sitio Sampao, Mambago-A, Samal District, Island Garden City of Samal

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

CITY OF ISLAND GARDEN OF SAMAL, DAVAO DEL NORTE

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 #1,015 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)
CITY OF ISLAND GARDEN OF SAMAL, DAVAO DEL NORTE awarded it to LLM CONCRETE PRODUCTS on 2010-12-01.
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 efa27df842…999069now …
2. Block Merkle root changed
stored c3bab2e7aa…3d3d68now …
3. Block #1015 hash changed
stored 8d3caa8701…a394eanow …

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

Merkle proof (5 steps)

How this one record is tied to the block's Merkle root, without needing the other 17 records. Each step hashes the current value together with the sibling shown.

leaf efa27df8426378969331a73bccff4e57f9bb8aa7d876e4805297ea9553999069
01 R ff28a15b0fd155d077667b51aa199470aa2d29894c1c72fc14cc3220144c4d64
02 R e8f0675b1e496067e6768c9beec9e612a9e5ae2342da308649e5d80a350f4941
03 R bb98649881e9b2338179bce15c6aafa0c93a87c0e08faae5babaa1794b32e835
04 R 607f5d1dda0fe8f5500356de9c6d45f48981e2e5753ea048aaa44f9192e0e0d2
05 L 0a985d16b39e551d51e9b9ddee0bbcc6139e462475f921bfe99a4757cf471000
root c3bab2e7aab9067586f851e841f8841ff957f8a3f4a8e62ad28f67351c3d3d68