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

UNIVERSITY OF THE PHILIPPINES SYSTEM - DILIMAN Award a ₱49.8M contract to VINHAR CONSTRUCTION & MARKETINGNational agencies

Transaction hash:

2a1bc7dde07dff73dc4144e2948b4358d61848a8f7df2ebe4ebfb05ed924dc5e

Status:

Included and unchanged

Block:

#241 5,772 blocks after it

Position in block:

Transaction 6 of 23

Award day:

Dec 21, 2007 (18 yrs 10 mo ago)

From:

UNIVERSITY OF THE PHILIPPINES SYSTEM - DILIMAN

To:

VINHAR CONSTRUCTION & MARKETING

Value:

₱49,799,334.59

Project:

Math Building (Phase 4), National Science Complex, University of the Philippines Diliman

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

UNIVERSITY OF THE PHILIPPINES SYSTEM - DILIMAN

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 #241 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)
UNIVERSITY OF THE PHILIPPINES SYSTEM - DILIMAN awarded it to VINHAR CONSTRUCTION & MARKETING on 2007-12-21.
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 2a1bc7dde0…24dc5enow …
2. Block Merkle root changed
stored 6e9bec767b…cf797dnow …
3. Block #241 hash changed
stored 1bab71de36…77ffbfnow …

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

leaf 2a1bc7dde07dff73dc4144e2948b4358d61848a8f7df2ebe4ebfb05ed924dc5e
01 R 2ddaf6592f0ab1011e5aae850b23cdc98000ee1d58943689145f22b617818347
02 L aa140054117555a6c1743ffd75dd4ff9e9d5f9287ef1a4411e71b5be01916109
03 L e8883db45d1ac5a1bd736f3f1740bcc69fa6c86b4839cc0455b80a04b0ff3b8b
04 R 78f162692f685bd869cb3e286749ec15d9a1362a06c1589276a0fb1409e0a523
05 R 286290f2165066266e723eec0073e1ea36b7becc580fb867f0839a772989095c
root 6e9bec767badc0cf039483ddaac0049884dc0668be6cdff94335bb20a7cf797d