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 - REGION VII Award a ₱3.2M contract to GAIL CONSTRUCTION AND SUPPLYNational agencies

Transaction hash:

2c3cdd77deb14a1e7a5ac4e19bebb09972248eac702c91aad55fc652866f091c

Status:

Included and unchanged

Block:

#1,959 4,054 blocks after it

Position in block:

Transaction 9 of 41

Award day:

Dec 30, 2013 (12 yrs 10 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION VII

To:

GAIL CONSTRUCTION AND SUPPLY

Value:

₱3,203,765.75

Project:

13H00069

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION VII

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 #1,959 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 - REGION VII awarded it to GAIL CONSTRUCTION AND SUPPLY on 2013-12-30.
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 2c3cdd77de…6f091cnow …
2. Block Merkle root changed
stored d7dac2b285…798ab9now …
3. Block #1959 hash changed
stored ae8a08d4d0…646c08now …

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

leaf 2c3cdd77deb14a1e7a5ac4e19bebb09972248eac702c91aad55fc652866f091c
01 L 22d3258e3e9b4c0ca756a8bc43eb29bb8c873599e548ced5bb97597c36d8b71b
02 R 28f3ee25ed75970d5a8ea59dcafcf05f19eff068829bf83011351e3fc8a13c19
03 R 777e45f814f9ae380e4d8fca3ff26622e0df4aa6c1cdb28ab57eac4e6c7d2b10
04 L c5c763816469a66c1b46e0bb7dfcc0acfc7f533175c0d2a7c2ade23ed981354e
05 R 42bfd156ba9aeac57f287d31a3a729be460812dcc2f34de337894887461d4d66
06 R 83588252bafa97ea68ebd2bbbacb2356f36c515b0ac5f1380b368c6a3676342b
root d7dac2b2859f531018bb88cd246a6abba4f7c00de1b3d5852656e9bec5798ab9