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 XII - COTAB Award a ₱10.0M contract to BRE CONSTRUCTIONNational agencies

Transaction hash:

b5ccb67cb11e4740e422d18e8b81f63ae4d8f095182a8b4a6fc6987cde9a502d

Status:

Included and unchanged

Block:

#2,934 3,079 blocks after it

Position in block:

Transaction 82 of 123

Award day:

Dec 14, 2016 (9 yrs 10 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION XII - COTAB

To:

BRE CONSTRUCTION

Value:

₱9,979,088.84

Project:

Construction Project

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION XII - COTAB

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 #2,934 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 XII - COTAB awarded it to BRE CONSTRUCTION on 2016-12-14.
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 b5ccb67cb1…9a502dnow …
2. Block Merkle root changed
stored 18ed81e312…a5cb53now …
3. Block #2934 hash changed
stored 1affe2a361…a689c8now …

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

leaf b5ccb67cb11e4740e422d18e8b81f63ae4d8f095182a8b4a6fc6987cde9a502d
01 R b67bdb323f665114bee1d88cb7dc14c29da05532e228cb72d4a047d5fd1b974f
02 L be59a77c8ab678eb7f074fe611bf27d32ee2e855b9f4ca6d9f46222b3d2674e8
03 R 9b7d583defaa7e94f54e37ea0c44dfb9226d2d247dd52689e076fef73d0b3537
04 R d3e9b679de1a7e02a3da3068ab8b06ae67c36956d2c1faa43ac8ca771149727b
05 L 64b3591abcf506eaa917e0d93a2807bd7d1bf57743cf110d2b7cc973144de61f
06 R aeac69627203aa44f553f78777ac1c27dd4b093a5d1283be513f83ce33eed524
07 L eae31c03072d3c6cfa784b9085c976f557555a5568ac5487cfc2f4bd7c8557df
root 18ed81e31238a3a019ce995486dab48a8a2bf3b8ed893aa4049a422396a5cb53