Pith Number

pith:VEL33QP3

pith:2019:VEL33QP3NMHOAC5D65UG67JPSC

not attested not anchored not stored refs pending

Biometric Fish Classification of Temperate Species Using Convolutional Neural Network with Squeeze-and-Excitation

Alf Ring Kleiven, Arne Wiklund, Christian M. D. Trinh, Erlend Olsvik, Kristian Muri Knausg{\aa}rd, Lei Jiao, Morten Goodwin, Tonje Knutsen S{\o}rdalen

arxiv:1904.02768 v1 · 2019-04-04 · 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{VEL33QP3NMHOAC5D65UG67JPSC}

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	2026-05-17T23:49:19.709636Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a917bdc1fb6b0ee00ba3f7686f7d2f908ff4df0061ad7d45a9c4845b951fbba8

Aliases

arxiv: 1904.02768 · arxiv_version: 1904.02768v1 · doi: 10.48550/arxiv.1904.02768 · pith_short_12: VEL33QP3NMHO · pith_short_16: VEL33QP3NMHOAC5D · pith_short_8: VEL33QP3

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/VEL33QP3NMHOAC5D65UG67JPSC \
  | 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: a917bdc1fb6b0ee00ba3f7686f7d2f908ff4df0061ad7d45a9c4845b951fbba8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1cb262cb10e243f6dce89f271a1ae8bcbe4a2b69bc1cccdc8fd3c04f0717e5a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-04-04T19:50:49Z",
    "title_canon_sha256": "fbf9b896ca19afaf649b631bfe6951366fd755bcf84adba806fba3bc18f2f46e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.02768",
    "kind": "arxiv",
    "version": 1
  }
}