Pith Number

pith:MXS2YZEL

pith:2019:MXS2YZELAX6B3STKID2GFRX3U4

not attested not anchored not stored refs pending

Individual common dolphin identification via metric embedding learning

Andrew Gilman, Krista Hupman, Matthew D. M. Pawley, Soren Bouma

arxiv:1901.03662 v1 · 2019-01-09 · cs.CV · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MXS2YZELAX6B3STKID2GFRX3U4}

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	2026-05-17T23:56:30.720953Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

65e5ac648b05fc1dca6a40f462c6fba7153706bfceb7c794b697a65f70941344

Aliases

arxiv: 1901.03662 · arxiv_version: 1901.03662v1 · doi: 10.48550/arxiv.1901.03662 · pith_short_12: MXS2YZELAX6B · pith_short_16: MXS2YZELAX6B3STK · pith_short_8: MXS2YZEL

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/MXS2YZELAX6B3STKID2GFRX3U4 \
  | 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: 65e5ac648b05fc1dca6a40f462c6fba7153706bfceb7c794b697a65f70941344

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f09a2d8239fb6c7c917b8bd6ebd6ca369435aa71f0e3bd21ff25b2885a90cfb",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-01-09T02:29:20Z",
    "title_canon_sha256": "07bd28acb4ff6246fc1508c44fd5669aebac97363919ee07f88b6058e43c87f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.03662",
    "kind": "arxiv",
    "version": 1
  }
}