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 - LAGUNA SUB-DEO Award a ₱1.4M contract to R'CEL GENERAL CONTRACTOR & GENERAL MERCHANDISENational agencies

Transaction hash:

9503b85477a202349dcdc00ab5f8f076a8e6ce52e864a84f2fb0815247ed3bef

Status:

Included and unchanged

Block:

#1,251 4,762 blocks after it

Position in block:

Transaction 40 of 61

Award day:

Sep 23, 2011 (15 yrs 1 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LAGUNA SUB-DEO

To:

R'CEL GENERAL CONTRACTOR & GENERAL MERCHANDISE

Value:

₱1,358,013.69

Project:

Invitation to Bid for Construction of Multi-Purpose Buildings at Brgy. Banilad, Nagcarlan, Laguna and Brgy. Bunga Elementary School, Nagcarlan, Laguna

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LAGUNA 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 #1,251 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 - LAGUNA SUB-DEO awarded it to R'CEL GENERAL CONTRACTOR & GENERAL MERCHANDISE on 2011-09-23.
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 9503b85477…ed3befnow …
2. Block Merkle root changed
stored a25cb9b69b…0df6benow …
3. Block #1251 hash changed
stored 91cb23e7a0…94bfc0now …

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

leaf 9503b85477a202349dcdc00ab5f8f076a8e6ce52e864a84f2fb0815247ed3bef
01 R 974d2cb4b90bb89d798e8ead94b0fb00f4d018d5ce2e00d1448339d097b3a33a
02 R dcbc0b04116090c93099974c392e4601c0a47e5e1958c377f91530daa7f838b9
03 R ce2402a84971010fec8b10a2e52a81609ce70b2e818b960858e79ab476113232
04 L f0a4fdf03c6770f8661b67d3ddace2f23cf8f9443cb8437164309de344d5c303
05 R 8fe0e62fed80d2332d9bd42be70a3978f33c5cf97b265eacbe7861f64af0d08b
06 L cf7f4393fb4a3c1e442d8b2bf3d3c5294b0d370df9bb840bf722e84510123fe8
root a25cb9b69b59fb88b76ecc7ed6891d4fcdfb3e333ce3ebc520e4fa81670df6be