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 - SMMSED Award a ₱147.2K contract to MRJR CONSTRUCTION & TRADINGNational agencies

Transaction hash:

ea71bea3caa277c3d65a25d43491944328808400a3457dacf0f1666d19a3e279

Status:

Included and unchanged

Block:

#1,037 4,976 blocks after it

Position in block:

Transaction 24 of 28

Award day:

Dec 29, 2010 (15 yrs 10 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SMMSED

To:

MRJR CONSTRUCTION & TRADING

Value:

₱147,203.13

Project:

Rehabilitation of Road, Talon 2 (concrete blocking), Las pinas City

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SMMSED

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 #1,037 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 - SMMSED awarded it to MRJR CONSTRUCTION & TRADING on 2010-12-29.
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 ea71bea3ca…a3e279now …
2. Block Merkle root changed
stored a889f71afd…77c7e8now …
3. Block #1037 hash changed
stored c111e24696…162cbcnow …

Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (5 steps)

How this one record is tied to the block's Merkle root, without needing the other 27 records. Each step hashes the current value together with the sibling shown.

leaf ea71bea3caa277c3d65a25d43491944328808400a3457dacf0f1666d19a3e279
01 R f3ef44a791122e66439d3a7a493befeb0fa46177a66986faf81d603ece0a9989
02 R aaa127cbfa1589b68eb43870ffecbaa9a4de66f1ce5823637851c80b1aae8891
03 R 32dd6afb4400f1e9a2c08f951f66bed4fa18652365998531169c83da8c303e3b
04 L d0fae05c183f257ff89db493b002c07fc94196cec00043e9d2b1f9e2abb0c23f
05 L 0515b58c2d04b5acd4090d44b8069c086d8a7d53334ca293b3753b840af85587
root a889f71afd20f8322aa9617d4d8385855d3d37bfdb4b74e3f476e7d9d977c7e8