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 - TARLAC SUB-DEO Award a ₱2.8M contract to TESSA CONSTRUCTION AND TRADINGNational agencies

Transaction hash:

daa2b9121c8fad6360600cea3c7755668e6920806800285c83850c676b65cfd6

Status:

Included and unchanged

Block:

#1,811 4,202 blocks after it

Position in block:

Transaction 95 of 107

Award day:

Jul 24, 2013 (13 yrs 3 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - TARLAC SUB-DEO

To:

TESSA CONSTRUCTION AND TRADING

Value:

₱2,848,517.85

Project:

13CK0061

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - TARLAC 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 #1,811 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 - TARLAC SUB-DEO awarded it to TESSA CONSTRUCTION AND TRADING on 2013-07-24.
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 daa2b9121c…65cfd6now …
2. Block Merkle root changed
stored c133c2efb1…323081now …
3. Block #1811 hash changed
stored a23b8a3b58…86d4a0now …

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

leaf daa2b9121c8fad6360600cea3c7755668e6920806800285c83850c676b65cfd6
01 L da1ddd4b8854bddbe8c09071d900b43c401a81c3966fedfa0d02df1594a02285
02 L bff72d3a68b056a7c68518ff8bded1a66a15ace92509af0aef58d3cf4cbb477c
03 L e81d4979545aca03de37526f45a3bf94945603e1663116b6026054f1cb5a6d30
04 L 40b92be9f07690ce690e02f64b3fcdc878a2d9c31a060033a23ca2f47eae183a
05 L a71f900d04eaa0ba8e3ab99f76c1e9eb5789e2be31d7460dda0845562cd2173e
06 R 541a0723612c35a7b0f9b6ec052355ef9d6a7b20aaa48c1778d178656207349e
07 L 1c958eadfd219db67d98200b895a3e9aac6971a153663832da54cc63b52ee71b
root c133c2efb1e7437e41c3ec904ca04bc8b277b3a36b6f97326af54b1ed0323081