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 ANTIQUE Award a ₱2.3M contract to GB CONSTRUCTIONNational agencies

Transaction hash:

490bfb7b2e41f07f018168d8f08581c5d526d9665a0c3a2c042b8c6887a6f385

Status:

Included and unchanged

Block:

#1,178 4,835 blocks after it

Position in block:

Transaction 19 of 61

Award day:

Jun 29, 2011 (15 yrs 4 mo ago)

From:

DEPARTMENT OF EDUCATION - DIVISION OF ANTIQUE

To:

GB CONSTRUCTION

Value:

₱2,287,136.54

Project:

Invitation to Bid, Cluster 8

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF EDUCATION - DIVISION OF ANTIQUE

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 #1,178 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 ANTIQUE awarded it to GB CONSTRUCTION on 2011-06-29.
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 490bfb7b2e…a6f385now …
2. Block Merkle root changed
stored 4c10dcc915…266116now …
3. Block #1178 hash changed
stored 1360c5a70b…438fabnow …

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 490bfb7b2e41f07f018168d8f08581c5d526d9665a0c3a2c042b8c6887a6f385
01 L 4814c86e8e9c8ab8cd1ee160cb3010462d65571ee1f11dca4ab0d4719d029922
02 L 5f69831da8efbdc06a2a609ee27430c9d69d0625903b547ee38c839d1e4c8dc3
03 R 2c97dcbc9ed54afac16450d05c0f062c5024d326ff3ec82a3e4f4a5f87b6e27c
04 R 92fdc9f7313715ce9dfdf9049f988da749b81735119e66e266be766cf1a597ba
05 L 90857c886fc3097ff4e92a5326d1bed2e63f0c28122dfedacc0ee71797fb175b
06 R 4365e6270c100b5057f89b84aface07a88a89475d6e66c751c6b7b09b6b58da1
root 4c10dcc91515afb5a295d2f50d9e179ec173bdbcfb3b1518a73e8328a4266116