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 - PANGASINAN 3RD DEO Award a ₱1.9M contract to 3K BUILDERSNational agencies

Transaction hash:

c2f567fca0882ec45d79c48a40c69b8799da40fe01efe74e319581ce4a5c0b3b

Status:

Included and unchanged

Block:

#678 5,335 blocks after it

Position in block:

Transaction 28 of 40

Award day:

Sep 1, 2009 (17 yrs 2 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - PANGASINAN 3RD DEO

To:

3K BUILDERS

Value:

₱1,924,935.28

Project:

Concreting of Legaspi road, Tayug, Pangasinan

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - PANGASINAN 3RD 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 #678 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 - PANGASINAN 3RD DEO awarded it to 3K BUILDERS on 2009-09-01.
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 c2f567fca0…5c0b3bnow …
2. Block Merkle root changed
stored 18b94f7b92…4dd51fnow …
3. Block #678 hash changed
stored 2932a091d5…4f8ae2now …

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

leaf c2f567fca0882ec45d79c48a40c69b8799da40fe01efe74e319581ce4a5c0b3b
01 R c5652227c2e8194b9a6c2b45d2fd41e0c84a63c145411417b0cd0b34633cbc61
02 R 03d506258f7b4227bb1f403d65274d588405a35a2946ac7ed7dec966a45cce47
03 L 123c135516c6bd27ed11201fb4004e58c5e3f7a0cf1bbd2d417a79b5ae56968a
04 L 6315865abb8ab99a36acb69be5dbbee6b18d9b49bd895a95a496106cc34f93c8
05 L 29351f34043524ad5b0cbe137227a2fbfe115377a790ea6ebc794c698714d1e3
06 R 1d45de3fd08dffe3731410063415ccc9324652fb27801bce544adbd0b790735a
root 18b94f7b92d74246dfd7fe361f7eda707556791250bbae8463607bbb4b4dd51f