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 - AKLAN DEO Award a ₱185.6K contract to G.F. ROVERO MERCHANDISINGNational agencies

Transaction hash:

ca044a3802b60dfe5394ddf43932b96e7658d34eba24eceb926a1b95bfa73d4b

Status:

Included and unchanged

Block:

#1,767 4,246 blocks after it

Position in block:

Transaction 53 of 63

Award day:

May 30, 2013 (13 yrs 5 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - AKLAN DEO

To:

G.F. ROVERO MERCHANDISING

Value:

₱185,571.20

Project:

Const. of Rainwater Collector Sys. Facilities

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - AKLAN 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 #1,767 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 - AKLAN DEO awarded it to G.F. ROVERO MERCHANDISING on 2013-05-30.
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 ca044a3802…a73d4bnow …
2. Block Merkle root changed
stored 73fdc38e52…83c2cbnow …
3. Block #1767 hash changed
stored 068e5b2e14…c407cbnow …

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

leaf ca044a3802b60dfe5394ddf43932b96e7658d34eba24eceb926a1b95bfa73d4b
01 L c2124ae45c5e84e1170ca1af8fb9556d6d48a045e8e1b83128931b2316dec938
02 R 14e241944d94b969396e9b9846d57df99ee49503cc88e3a14d56da0222052558
03 L 0d7ea29a3c38922d67ed8238867b399be14260d53471ce20a7e0f6be2e3ccdc6
04 R eb1c7905532b0ba22ac36faf3abe9ea46a1c04c2199fbff6b563a927558e94b9
05 L 3dda58107980510252637f4210c482151f46c94ff00ee1d48cad3b51b5b2a023
06 L d17f0b5fd4b17230f9edb623afa5fcea8e3a8156bbcb6108edb7444ea6ea7072
root 73fdc38e52c8cb6071acd4caf3753321519c8a23feeed3f8ed7f87568383c2cb