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 EDUCATION - DIVISION OF OZAMIS CITY Award a ₱1.2M contract to EDMOND RAY CONSTRUCTION & SUPPLYNational agencies

Transaction hash:

ddfa4bb60b18fe0e9f94e653692cee48608c1f52ee1da74b64cc0f36c0d0b2bb

Status:

Included and unchanged

Block:

#1,552 4,461 blocks after it

Position in block:

Transaction 53 of 61

Award day:

Sep 6, 2012 (14 yrs 2 mo ago)

From:

DEPARTMENT OF EDUCATION - DIVISION OF OZAMIS CITY

To:

EDMOND RAY CONSTRUCTION & SUPPLY

Value:

₱1,197,382.88

Project:

Construction of One Storey, Two Classroom (7mx9m) School Building (Original) for Dalapang ES

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF EDUCATION - DIVISION OF OZAMIS CITY

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 #1,552 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 EDUCATION - DIVISION OF OZAMIS CITY awarded it to EDMOND RAY CONSTRUCTION & SUPPLY on 2012-09-06.
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 ddfa4bb60b…d0b2bbnow …
2. Block Merkle root changed
stored 192705bae2…1c0cf5now …
3. Block #1552 hash changed
stored b1ffefd984…323ba7now …

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

leaf ddfa4bb60b18fe0e9f94e653692cee48608c1f52ee1da74b64cc0f36c0d0b2bb
01 L d5248b8d3dde47ed40605ec2cd438a0e37de6b5655268b6f147d7c556b067270
02 R 6c2d127eb814bb62210056d3b0e04a2145f1d30a75084be44612207b1737bb2b
03 L 38306e221b9c0a5079b223622c49ff97c0a96b4a132fcf70d3e600c93db841d2
04 R 0f674130378147cdf1a351fa2e074cb3bc27b2e09c647896c624c9e38c92d890
05 L 852713ece44aec5b33fbf0862fe4ccbefc6e23c93cf115a755086fc88daab730
06 L cf81a7ebc91bc75aa5c17ba7838a181f172149d7255274575d52498f94485c8a
root 192705bae27ec4e0d816cc3495190cea88c8428b36f675f6baaf8e37681c0cf5