Pith Number

pith:CUYKDLTF

pith:2017:CUYKDLTFQI64GREDHFGY2M7UJ6

not attested not anchored not stored refs pending

The iNaturalist Species Classification and Detection Dataset

Alex Shepard, Chen Sun, Grant Van Horn, Hartwig Adam, Oisin Mac Aodha, Pietro Perona, Serge Belongie, Yang Song, Yin Cui

arxiv:1707.06642 v2 · 2017-07-20 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CUYKDLTFQI64GREDHFGY2M7UJ6}

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.

Cited by

2 papers in Pith

Modular Multimodal Classification Without Fine-Tuning: A Simple Compositional Approach

SAM 3: Segment Anything with Concepts

Receipt and verification

First computed	2026-05-18T00:18:46.421114Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1530a1ae65823dc34483394d8d33f44fb6c124f8136197e5587c32cb4de7ed05

Aliases

arxiv: 1707.06642 · arxiv_version: 1707.06642v2 · doi: 10.48550/arxiv.1707.06642 · pith_short_12: CUYKDLTFQI64 · pith_short_16: CUYKDLTFQI64GRED · pith_short_8: CUYKDLTF

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/CUYKDLTFQI64GREDHFGY2M7UJ6 \
  | 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: 1530a1ae65823dc34483394d8d33f44fb6c124f8136197e5587c32cb4de7ed05

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db12933a1da18f988c5c53e79c20048defb3b784a008f3e7c78d25d6a3761af7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-07-20T17:59:55Z",
    "title_canon_sha256": "1c7075d25e80a38fb0fcac33e3de52163146741b55e99744c553076a515b756c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.06642",
    "kind": "arxiv",
    "version": 2
  }
}