Pith Number

pith:Q4P5WCTY

pith:2016:Q4P5WCTYMTYRMLWIDA3WTPOQ2H

not attested not anchored not stored refs pending

Discovery of a complex linearly polarized spectrum of Betelgeuse dominated by depolarization of the continuum

A. Chiavassa, A. L\`ebre, A. L\'opez Ariste, B. Tessore, E. Josselin, F. Herpin, F. Paletou, G.A. Wade, G. Perrin, J.-F. Donati, J.H. Grunhut, M. Auri\`ere, M. Montarg\`es, N. Fabas, P. Kervella, P. Mathias, P. Petit, R. Konstantinova-Antova

arxiv:1605.04702 v2 · 2016-05-16 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q4P5WCTYMTYRMLWIDA3WTPOQ2H}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:11:44.269792Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

871fdb0a7864f1162ec8183769bdd0d1d0f78ceaa890b4d0f3972d38cd3c8492

Aliases

arxiv: 1605.04702 · arxiv_version: 1605.04702v2 · doi: 10.48550/arxiv.1605.04702 · pith_short_12: Q4P5WCTYMTYR · pith_short_16: Q4P5WCTYMTYRMLWI · pith_short_8: Q4P5WCTY

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/Q4P5WCTYMTYRMLWIDA3WTPOQ2H \
  | 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: 871fdb0a7864f1162ec8183769bdd0d1d0f78ceaa890b4d0f3972d38cd3c8492

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba7acaac56120b84143cc8a378230043a3d8285ef4a9166b53830723d610f0a9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-05-16T09:49:00Z",
    "title_canon_sha256": "b41e4aee727cf6cc4b68e8c23dd8b56b599947a019f86450689ed6add2f2dbcc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.04702",
    "kind": "arxiv",
    "version": 2
  }
}