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-CAMARINES SUR 2ND DE Award a ₱13.5M contract to PHILWORKS CONSTRUCTION AND SUPPLYNational agencies

Transaction hash:

8345e3d3bdfbc2e29fefa49504f9fb110c1b0f779def2b4ef5af768570d9de25

Status:

Included and unchanged

Block:

#1,593 4,420 blocks after it

Position in block:

Transaction 27 of 52

Award day:

Oct 23, 2012 (14 yrs ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS-CAMARINES SUR 2ND DE

To:

PHILWORKS CONSTRUCTION AND SUPPLY

Value:

₱13,485,087.00

Project:

12FE0057-Project Cluster 2012-IX Const. of River Control, Quipayo River & Tributaries, Quipayo, Ca. C.S. and Const. of water Impounding Project, Belen, Calabanga

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS-CAMARINES SUR 2ND DE

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 #1,593 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-CAMARINES SUR 2ND DE awarded it to PHILWORKS CONSTRUCTION AND SUPPLY on 2012-10-23.
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 8345e3d3bd…d9de25now …
2. Block Merkle root changed
stored 8eeafd6e69…629a3dnow …
3. Block #1593 hash changed
stored 35eaba4fe6…e9e1a6now …

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

leaf 8345e3d3bdfbc2e29fefa49504f9fb110c1b0f779def2b4ef5af768570d9de25
01 L 7f75a4682c5a431f91f088eb9b39da8afbac7f9d0b6f6ec3d7e3e52cf77d6e3d
02 L 392b69ef53e892ac37860c1ae26d8798c322ce10e5e840dd2fd989870f8f2d62
03 R a973d6630e29b64c0230cc8892ad5e6f2743977d8ae5329c7991f55cc77124aa
04 L 2a70c397ee71905c177751a682098678c8251857097fcc8bf0b4f7c4639f3617
05 L 29a1d88e81e4428b550fc5b30369b46b69a5c1655f66a47f44a05d3358b7ef1d
06 R 8b8a0c829b35bacf9db0581db0545e030c4a37555366b9ebcf343e739cb5d08d
root 8eeafd6e69019d5ab85e64c12786767cdd55f50fedc3ad09c02e79f0fa629a3d