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 3RD ED Award a ₱2.1M contract to DQT BUILDERS CORPORATIONNational agencies

Transaction hash:

b6bd959e2f34b6779ea5db5a0eb425db3ef0e37844c1ab5e9cad7ff517ba1138

Status:

Included and unchanged

Block:

#521 5,492 blocks after it

Position in block:

Transaction 2 of 5

Award day:

Jan 27, 2009 (17 yrs 9 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 3RD ED

To:

DQT BUILDERS CORPORATION

Value:

₱2,104,915.20

Project:

Improvement/Renovation of Research and Standard Building, DPWH-Quezon 3rd District Engineering Office, Catanauan, Quezon

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 3RD ED

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 #521 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 3RD ED awarded it to DQT BUILDERS CORPORATION on 2009-01-27.
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 b6bd959e2f…ba1138now …
2. Block Merkle root changed
stored e48f333bb4…e3369cnow …
3. Block #521 hash changed
stored 950f54f9f2…48937bnow …

Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (3 steps)

How this one record is tied to the block's Merkle root, without needing the other 4 records. Each step hashes the current value together with the sibling shown.

leaf b6bd959e2f34b6779ea5db5a0eb425db3ef0e37844c1ab5e9cad7ff517ba1138
01 R bf52ed814937c7b99c6b88ab1f3fe6b51f13a4064572e19f64768da3754c7089
02 L e367275827d35b1382a5a71d3f96f1d2ff190cb8741337e94c615a421b2e4e27
03 R 641cf70eeaf6f8c461fa3aae71cd2210109df7ff6ec83f6d5fd9bb4832d2326a
root e48f333bb4621f4eac8fd60ec556ebfbcf0d6e9b79343eb524380cdcc0e3369c