Pith Number

pith:NBAPNESI

pith:2014:NBAPNESITCPCUL5BTL57BZE4Z6

not attested not anchored not stored refs pending

Bird Species Categorization Using Pose Normalized Deep Convolutional Nets

Grant Van Horn, Pietro Perona, Serge Belongie, Steve Branson

arxiv:1406.2952 v1 · 2014-06-11 · 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{NBAPNESITCPCUL5BTL57BZE4Z6}

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

1 paper in Pith

Learning to Align Generative Appearance Priors for Fine-grained Image Retrieval

Receipt and verification

First computed	2026-05-18T02:49:54.650389Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6840f69248989e2a2fa19afbf0e49ccf8c58a8ddadff7d33717886ad6f10473d

Aliases

arxiv: 1406.2952 · arxiv_version: 1406.2952v1 · doi: 10.48550/arxiv.1406.2952 · pith_short_12: NBAPNESITCPC · pith_short_16: NBAPNESITCPCUL5B · pith_short_8: NBAPNESI

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/NBAPNESITCPCUL5BTL57BZE4Z6 \
  | 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: 6840f69248989e2a2fa19afbf0e49ccf8c58a8ddadff7d33717886ad6f10473d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "771b28d1b7aafbb75c054e00cdbc4cb98b01284edf72693edef97e3f5c60e77d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2014-06-11T16:14:42Z",
    "title_canon_sha256": "ccc0ab9cd30ec97947ff5e23ea0f4f3cf363978249277f017382587746a30316"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.2952",
    "kind": "arxiv",
    "version": 1
  }
}