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 CITY 1ST ED Award a ₱2.4M contract to VTJ CONSTRUCTION AND SUPPLYNational agencies

Transaction hash:

dc458aabafec461ce5c09a86278c21823ba60c46b50d3d7d5fd6c8f63c2a3130

Status:

Included and unchanged

Block:

#1,365 4,648 blocks after it

Position in block:

Transaction 37 of 46

Award day:

Jan 31, 2012 (14 yrs 9 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON CITY 1ST ED

To:

VTJ CONSTRUCTION AND SUPPLY

Value:

₱2,424,933.90

Project:

Improvement/Rehabilitation of Multi-Purpose Bldg. at Brgy. Damayan, Q.C.

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON CITY 1ST 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 #1,365 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 CITY 1ST ED awarded it to VTJ CONSTRUCTION AND SUPPLY on 2012-01-31.
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 dc458aabaf…2a3130now …
2. Block Merkle root changed
stored 7c24c9efd6…4aed6cnow …
3. Block #1365 hash changed
stored fc4a4fab38…b5a760now …

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

leaf dc458aabafec461ce5c09a86278c21823ba60c46b50d3d7d5fd6c8f63c2a3130
01 L d2e65eb9c5c8c654ef9278bd460061f5ce180b60a3f59344c7ad0f3adb0948b1
02 R ea820c9e261ace0ef647151cd47e740bbfa925cd3c7555bb6964ada11721f323
03 L 1016e7d6ada6bb05c707d592d266365788d8866712259819a02977aa540cbd53
04 R 7fbc12248d63163611268dbbaf80e0f4809d020c7b87589b39a61bdfcef447b6
05 R bc3a57fdd31fdc79cd796584b756d27086e81b259e39732d89fd77d756006bb5
06 L 57c55f2f9379423215f14fe91394407b9cb0e2f578dceacce752d41ff6f41ce2
root 7c24c9efd6d043dfd82f008daeec13718010a22da07577fec05f86480a4aed6c