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 2ND DEO Award a ₱493.1K contract to L.A. CLAMOR CONSTRUCTIONNational agencies

Transaction hash:

18ea2b9fa7cbba1bbd3460e4d91a0c0bb8cebcb26883fedfc1d342f1ee5c2964

Status:

Included and unchanged

Block:

#1,224 4,789 blocks after it

Position in block:

Transaction 4 of 28

Award day:

Aug 23, 2011 (15 yrs 2 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 2ND DEO

To:

L.A. CLAMOR CONSTRUCTION

Value:

₱493,125.56

Project:

Construction of Farm to MArket Road at Brgy. Tumbaga I, Sariaya,Quezon

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 2ND 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 #1,224 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 2ND DEO awarded it to L.A. CLAMOR CONSTRUCTION on 2011-08-23.
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 18ea2b9fa7…5c2964now …
2. Block Merkle root changed
stored fccfd12690…83ea10now …
3. Block #1224 hash changed
stored fada5a0607…e337f7now …

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

leaf 18ea2b9fa7cbba1bbd3460e4d91a0c0bb8cebcb26883fedfc1d342f1ee5c2964
01 R 209505a08f7d44ef51a1ea3662deee0c9cf0974393a9df011addac5a3bf4fcb8
02 R ad57d8d01452908c54cee3940f9a8829be28a09eb05f9e938b7b13f2a4891c32
03 L 76e9e6abedda0c73db87a6bacee2baa8f07718babb4fed838e007f9d0ef6df4b
04 R 1227d20d3532358c9bce9d6bde1367256c212e88124e7928917942b470ed862a
05 R 3827b5996f505ba7c2d2456ecfefd980c413dbc546dee64202b3170dfe36149c
root fccfd12690fb001ba71247309c6a772fff8424476d5899fb4b27241efe83ea10