Pith Number

pith:7GJDOWWW

pith:2018:7GJDOWWWLETEAFNM2JNHDLZK7F

not attested not anchored not stored refs pending

Piecewise classifier mappings: Learning fine-grained learners for novel categories with few examples

Chunhua Shen, Jianxin Wu, Lingqiao Liu, Peng Wang, Xiu-Shen Wei

arxiv:1805.04288 v2 · 2018-05-11 · 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{7GJDOWWWLETEAFNM2JNHDLZK7F}

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	2026-07-05T00:08:22.266386Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f992375ad659264015acd25a71af2af97a5a65a7cbd891cb6519b32f1fae0f8b

Aliases

arxiv: 1805.04288 · arxiv_version: 1805.04288v2 · doi: 10.48550/arxiv.1805.04288 · pith_short_12: 7GJDOWWWLETE · pith_short_16: 7GJDOWWWLETEAFNM · pith_short_8: 7GJDOWWW

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/7GJDOWWWLETEAFNM2JNHDLZK7F \
  | 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: f992375ad659264015acd25a71af2af97a5a65a7cbd891cb6519b32f1fae0f8b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f9d6bf2af01b3f6bae6d60d79b3bdea38d0334d8578981c82a2bf011d71b946",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-05-11T09:24:15Z",
    "title_canon_sha256": "a93fce03c09cb09f31302ddb06980d69b323f6150c841b909c42cec67796b703"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.04288",
    "kind": "arxiv",
    "version": 2
  }
}