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 PUBLIC WORKS AND HIGHWAYS - QUEZON 4TH DEO Award a ₱1.9M contract to I.A. BOSQUE CONSTRUCTION CORPORATIONNational agencies

Transaction hash:

7cc06ea740c9d33720ebfb4f8a99738c15ffb5525fc14f0a24601f478a1e1fc1

Status:

Included and unchanged

Block:

#1,188 4,825 blocks after it

Position in block:

Transaction 23 of 48

Award day:

Jul 11, 2011 (15 yrs 4 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 4TH DEO

To:

I.A. BOSQUE CONSTRUCTION CORPORATION

Value:

₱1,918,684.89

Project:

Cluster X - Rehabilitation of Multi-Purpose Building, Calauag, Quezon

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 4TH DEO

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 #1,188 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 PUBLIC WORKS AND HIGHWAYS - QUEZON 4TH DEO awarded it to I.A. BOSQUE CONSTRUCTION CORPORATION on 2011-07-11.
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 7cc06ea740…1e1fc1now …
2. Block Merkle root changed
stored 9ed82f4e68…5400f5now …
3. Block #1188 hash changed
stored 234ba8de98…2a1c19now …

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

leaf 7cc06ea740c9d33720ebfb4f8a99738c15ffb5525fc14f0a24601f478a1e1fc1
01 L 788c8d9bd174d07078b9b2b6f0f0f8c40afd5f3e6e8f23fcb2f01e6e9db2a802
02 L 0085d78394d9ae7976a7ab1bd51a58caccc6571215f9bb9f3137b52518c28657
03 L 95a6bf77375fcf4cf996f0d2c026425d0ecccac4acf07372a03a7870850522e1
04 R bf1fee1586f37fdde00809803a41ece95cc5ff7e51d4504fd51c11b777c7ac42
05 L dde55f74335314273ca68eca4b07e9012e13cdf73b491e967c37673810992f56
06 R 9a4cf6b5730a7400d8ffcc5ae96f8dc18a27ca2b349fe584a2da7e18df91202b
root 9ed82f4e68e9a7930247333663daabf9abcda546b2805a9195e4b4b4785400f5