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 BAGUIO CITY Award a ₱1.8M contract to OSCAN BUILDERSNational agencies

Transaction hash:

0cb7cdfc5e2b58604ef0fe580d790f3dac8eac9a53f5ff1eeef2b23ff5f14c6f

Status:

Included and unchanged

Block:

#1,102 4,911 blocks after it

Position in block:

Transaction 1 of 22

Award day:

Mar 23, 2011 (15 yrs 7 mo ago)

From:

DEPARTMENT OF EDUCATION - DIVISION OF BAGUIO CITY

To:

OSCAN BUILDERS

Value:

₱1,833,108.57

Project:

Conitnuation of the Construction of DepEd Division of Baguio City Division Office Building

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF EDUCATION - DIVISION OF BAGUIO 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 #1,102 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 BAGUIO CITY awarded it to OSCAN BUILDERS on 2011-03-23.
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 0cb7cdfc5e…f14c6fnow …
2. Block Merkle root changed
stored 4c1f802420…83bd5cnow …
3. Block #1102 hash changed
stored 98ab5f10cb…7c64d4now …

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

leaf 0cb7cdfc5e2b58604ef0fe580d790f3dac8eac9a53f5ff1eeef2b23ff5f14c6f
01 L 06543a00aa90f1a9f98f25c5be0c7f79dd9e2a317226044c2c72cd518264b3fa
02 R 5657d0507229a8930a09d4f451e2eb7c14b7a450cebcf629732b9b4b05f895ec
03 R 46f22c35d5c559990997bd3d22190e45395a80a6188a9ce8f4db01aa0cef9705
04 R 87bf31bba3c9a085ff45cb7e6231e8d1fe35971c1ef6ed1b1eb0db9d8a3a0633
05 R d2451e97ef1acde716bac1714a240b8f4ac5c7eae8ffa6f1439f4fa43573036c
root 4c1f802420a926042e6787d8d509fa653db60ae5893c33fc4091160ead83bd5c