Pith Number

pith:YN32FQZI

pith:2021:YN32FQZIAJ7B32PC2Y3YPCONB6

not attested not anchored not stored refs pending

A Unified Objective for Novel Class Discovery

Elisa Ricci, Enrico Fini, Enver Sangineto, Moin Nabi, St\'ephane Lathuili\`ere, Zhun Zhong

arxiv:2108.08536 v4 · 2021-08-19 · cs.CV · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YN32FQZIAJ7B32PC2Y3YPCONB6}

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	2026-07-05T03:18:28.916256Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c377a2c328027e1de9e2d6378789cd0fa75d82e28937a0fae9c2c149df7cd59d

Aliases

arxiv: 2108.08536 · arxiv_version: 2108.08536v4 · doi: 10.48550/arxiv.2108.08536 · pith_short_12: YN32FQZIAJ7B · pith_short_16: YN32FQZIAJ7B32PC · pith_short_8: YN32FQZI

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/YN32FQZIAJ7B32PC2Y3YPCONB6 \
  | 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: c377a2c328027e1de9e2d6378789cd0fa75d82e28937a0fae9c2c149df7cd59d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2df46f9e691466eefc348e255807704b02cfb37a3101b023b4302e7ff09a6b9a",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-08-19T07:22:29Z",
    "title_canon_sha256": "269e9751e75814e20782ea7eaf5d9e2677d3de6500369e4dc83998b9e0e302db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.08536",
    "kind": "arxiv",
    "version": 4
  }
}