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 - MINDORO OR. DEO Award a ₱2.9M contract to L.N. SALVADOR CONSTRUCTIONNational agencies

Transaction hash:

4c8db89a2be99d04405de3bc1fc24d94c3659ffdb9bafd847dead8b83f4430f4

Status:

Included and unchanged

Block:

#2,535 3,478 blocks after it

Position in block:

Transaction 44 of 121

Award day:

Oct 1, 2015 (11 yrs 1 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - MINDORO OR. DEO

To:

L.N. SALVADOR CONSTRUCTION

Value:

₱2,865,234.40

Project:

Concreting of Tacligan Farm-To-Market Road, Taclig

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - MINDORO OR. 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 #2,535 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 - MINDORO OR. DEO awarded it to L.N. SALVADOR CONSTRUCTION on 2015-10-01.
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 4c8db89a2b…4430f4now …
2. Block Merkle root changed
stored 04e3448b07…67b7a0now …
3. Block #2535 hash changed
stored 2ae6a9bda2…b1b885now …

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

Merkle proof (7 steps)

How this one record is tied to the block's Merkle root, without needing the other 120 records. Each step hashes the current value together with the sibling shown.

leaf 4c8db89a2be99d04405de3bc1fc24d94c3659ffdb9bafd847dead8b83f4430f4
01 R 4f8450febd121389316180f348ebd73696cbb81e808fd8587caed1f954b5e4d5
02 R 4ea71f41df636fbbc69840957a91365a2668cc38b41b7b767ab191a3fceacc12
03 L 1a734f3baf47597354e5539c3f501e3d0f5825855be5dc1556cbbfd9adc7bb4c
04 L 5010c7064cf247e9e23c7db6801d1bad0fd951af6112d3bc19ba10787f4c1c7f
05 R cec4a889482731c9daef95d6b239b3f59afb55a1cbf68ce4073224ec5b419e02
06 L eac3bf9f930c912ef07190770c1d6261153e4c8a2e62c0f58b94b31ae4b72f5b
07 R ec2e9482fe749d0411c97e673a190414bf921a3fccc696eec6268df65ac7ea4d
root 04e3448b07bf14fb71bb5ba08450c9fe4144460d3191af0af62f59cba467b7a0