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 SUB-DEO Award a ₱991.4K contract to J.G. GARCIA CONSTRUCTION & SUPPLYNational agencies

Transaction hash:

35d09d9b7d9df3a4256e28db3e1608045fc4116fcdee941c39b9025327a9d952

Status:

Included and unchanged

Block:

#1,536 4,477 blocks after it

Position in block:

Transaction 16 of 65

Award day:

Aug 17, 2012 (14 yrs 2 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - PANGASINAN SUB-DEO

To:

J.G. GARCIA CONSTRUCTION & SUPPLY

Value:

₱991,445.42

Project:

Construction of 1 CL School Building at Calasiao Comprehensive National High School, Calasiao, Pangasinan

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - PANGASINAN SUB-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 #1,536 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 SUB-DEO awarded it to J.G. GARCIA CONSTRUCTION & SUPPLY on 2012-08-17.
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 35d09d9b7d…a9d952now …
2. Block Merkle root changed
stored 1871f518ff…9c72d6now …
3. Block #1536 hash changed
stored 09a76f4764…c778e2now …

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

leaf 35d09d9b7d9df3a4256e28db3e1608045fc4116fcdee941c39b9025327a9d952
01 R 377ea8e06a8043642678f7946dc12f8311865149f144ca2fcc6638676bc1cc45
02 R 43a891524ad11ebf673e3292e804259b2c9d0de7d6c3183b4094f428d070386f
03 R 6678b61e25f2c89d9731d68df52e59f5c0d3cee005e711439942a7fd22fa9a03
04 R d05c20ab4888bf23fa288cf31608602c698db08b74c356d7d2322ba8d115f86d
05 L 29dcc759707df05b3179bee8db367c7f78da9b7a61447f79f1cad8228c44da9c
06 R 012f66015b400f0e82dce6607a51b3083cce76dd73652be2942021e5406dee13
07 R ba865358120f6067e8cd1dd149415be71b8222a0ec4374169ff7dfd93deb178b
root 1871f518ff9b5ecc585535d045b0a675992346ed48db3740ff09ce38459c72d6