Pith Number

pith:PWRIYQYZ

pith:2017:PWRIYQYZKIVZ4E7ZMLB7KFX2JI

not attested not anchored not stored refs pending

Knowledge Concentration: Learning 100K Object Classifiers in a Single CNN

Jiyang Gao, Ram Nevatia, Zhen Li, Zijian (James) Guo

arxiv:1711.07607 v2 · 2017-11-21 · 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{PWRIYQYZKIVZ4E7ZMLB7KFX2JI}

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	2026-05-18T00:29:45.086121Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7da28c4319522b9e13f962c3f516fa4a09abd33d823b765c337a3c997f875bf4

Aliases

arxiv: 1711.07607 · arxiv_version: 1711.07607v2 · doi: 10.48550/arxiv.1711.07607 · pith_short_12: PWRIYQYZKIVZ · pith_short_16: PWRIYQYZKIVZ4E7Z · pith_short_8: PWRIYQYZ

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/PWRIYQYZKIVZ4E7ZMLB7KFX2JI \
  | 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: 7da28c4319522b9e13f962c3f516fa4a09abd33d823b765c337a3c997f875bf4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0655694e853c2947b60400759851a34d1d46769b1fe482716b98da5164d885a3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-11-21T02:38:34Z",
    "title_canon_sha256": "99de994d3d925458c517638fd596f691562b93e19dc5451a4fb8d2e10cb9b448"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.07607",
    "kind": "arxiv",
    "version": 2
  }
}