Pith Number

pith:2MHWSLJD

pith:2025:2MHWSLJDOF5SYGDKCUWJTVSIZF

not attested not anchored not stored refs pending

RampNet: A Two-Stage Pipeline for Bootstrapping Curb Ramp Detection in Streetscape Images from Open Government Metadata

Jared Hwang, John S. O'Meara, Jon E. Froehlich, Michael Saugstad, Zeyu Wang

arxiv:2508.09415 v1 · 2025-08-13 · cs.CV · cs.AI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2MHWSLJDOF5SYGDKCUWJTVSIZF}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T11:53:14.465125Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d30f692d23717b2c186a152c99d648c946fb0ca4e947103b1ceb2531a1a23d33

Aliases

arxiv: 2508.09415 · arxiv_version: 2508.09415v1 · doi: 10.48550/arxiv.2508.09415 · pith_short_12: 2MHWSLJDOF5S · pith_short_16: 2MHWSLJDOF5SYGDK · pith_short_8: 2MHWSLJD

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/2MHWSLJDOF5SYGDKCUWJTVSIZF \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: d30f692d23717b2c186a152c99d648c946fb0ca4e947103b1ceb2531a1a23d33

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b0df33e5654a00f0011a2eaaf5def1d0adefbdef1dffad66b4914b249d8b1d8a",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-08-13T01:22:48Z",
    "title_canon_sha256": "672e4ae6a85b43ebef019b46e7e9810a7015251d9d3b6b81835ef8640f2dd05b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.09415",
    "kind": "arxiv",
    "version": 1
  }
}