Pith Number

pith:J6WV4JUC

pith:2017:J6WV4JUC2JJU6BAD2KBIUHR2SQ

not attested not anchored not stored refs pending

Applications of Machine-Learning Algorithms for Infrared Colour Selection of Galactic Wolf-Rayet Stars

Anthony P. Marston, Giuseppe Morello, Jon C. Mauerhan, Patrick W. Morris, Schuyler D. Van Dyk

arxiv:1712.01409 v1 · 2017-12-04 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J6WV4JUC2JJU6BAD2KBIUHR2SQ}

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	2026-05-18T00:28:09.922889Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4fad5e2682d2534f0403d2828a1e3a9431e7f13a553f1a1ee6288b88d75debbb

Aliases

arxiv: 1712.01409 · arxiv_version: 1712.01409v1 · doi: 10.48550/arxiv.1712.01409 · pith_short_12: J6WV4JUC2JJU · pith_short_16: J6WV4JUC2JJU6BAD · pith_short_8: J6WV4JUC

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/J6WV4JUC2JJU6BAD2KBIUHR2SQ \
  | 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: 4fad5e2682d2534f0403d2828a1e3a9431e7f13a553f1a1ee6288b88d75debbb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4642d09db239bca26a2bd37ad62fa55f1edfd6e31bee91b431fcac8e00a1e9ad",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-12-04T23:19:53Z",
    "title_canon_sha256": "81fcd4bffa5522028c1ea95da0b26cdd1346e12fec0332106b38e2e791ed2d58"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.01409",
    "kind": "arxiv",
    "version": 1
  }
}