Pith Number

pith:WDN22I4F

pith:2022:WDN22I4FGQ7ZK5UPGJ46KW7CLU

not attested not anchored not stored refs pending

COLA: COarse LAbel pre-training for 3D semantic segmentation of sparse LiDAR datasets

Fran\c{c}ois Goulette, Jean-Emmanuel Deschaud, Jules Sanchez

arxiv:2202.06884 v3 · 2022-02-14 · cs.CV · cs.RO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WDN22I4FGQ7ZK5UPGJ46KW7CLU}

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	2026-07-05T05:52:52.233529Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0dbad2385343f95768f3279e55be25d389a3952ae3242e6c301fdffb07f46ba

Aliases

arxiv: 2202.06884 · arxiv_version: 2202.06884v3 · doi: 10.48550/arxiv.2202.06884 · pith_short_12: WDN22I4FGQ7Z · pith_short_16: WDN22I4FGQ7ZK5UP · pith_short_8: WDN22I4F

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/WDN22I4FGQ7ZK5UPGJ46KW7CLU \
  | 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: b0dbad2385343f95768f3279e55be25d389a3952ae3242e6c301fdffb07f46ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e29b67cf931be55432d15c778824c9d1104c241e54604c003c009a69f8e27482",
    "cross_cats_sorted": [
      "cs.RO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2022-02-14T17:19:23Z",
    "title_canon_sha256": "b3e9a9c9cf023735fbd3b95e1bf69988fb51fd58ef5f7aab74de9971287c714a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.06884",
    "kind": "arxiv",
    "version": 3
  }
}