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

ISLAND GARDEN CITY OF SAMAL WATER DISTRICT Award a ₱641.9K contract to DAVAO ENGINEERS CONTRACTORS COOPERATIVENational agencies

Transaction hash:

d65b58cfbb04572c84fb8f41e3be5519d3a295d663670dba969d00122f180e79

Status:

Included and unchanged

Block:

#1,242 4,771 blocks after it

Position in block:

Transaction 16 of 18

Award day:

Sep 13, 2011 (15 yrs 2 mo ago)

From:

ISLAND GARDEN CITY OF SAMAL WATER DISTRICT

To:

DAVAO ENGINEERS CONTRACTORS COOPERATIVE

Value:

₱641,908.43

Project:

Installation of new pipeline and Construction of Elevated Concrete Reservoir

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

ISLAND GARDEN CITY OF SAMAL WATER DISTRICT

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 #1,242 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)
ISLAND GARDEN CITY OF SAMAL WATER DISTRICT awarded it to DAVAO ENGINEERS CONTRACTORS COOPERATIVE on 2011-09-13.
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 d65b58cfbb…180e79now …
2. Block Merkle root changed
stored f77a1b784f…acfe8bnow …
3. Block #1242 hash changed
stored 1af7296d07…bf3afenow …

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 d65b58cfbb04572c84fb8f41e3be5519d3a295d663670dba969d00122f180e79
01 R fd9f50a15575c1b2e7812dc11d6beb54f99adae9e2cd28b8cc34ee19162a5065
02 R 81ed84cfb23490acc55e09d9613324e80fdeedc4849c6dc9ebed57d53f8692c9
03 R bbb27ddc8d5114d44ea55ca1ecc546bba428fdf71a610a2bd0cddb1b366ae5cd
04 R 6593292fab46a2b2fb5b8aa0d2f11238f9a981908648381dbb1e9f718b5d8377
05 L d1615bab76add521ae706e9257c91be7bfc46b16dc3d2aae663e984994ad888e
root f77a1b784f0d2133538445bae238684984a45eb46b129fbe68295ee143acfe8b