Pith Number

pith:54NVGCRF

pith:2011:54NVGCRF6I73DINCU5VQBPXWBN

not attested not anchored not stored refs pending

The Variability of Halpha Equivalent Widths in Be Stars

A. D. Smith, C. E. Jones, C. Tycner

arxiv:1103.1514 v1 · 2011-03-08 · 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{54NVGCRF6I73DINCU5VQBPXWBN}

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	2026-05-18T02:02:56.473732Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef1b530a25f23fb1a1a2a76b00bef60b5524a607ab07b97adaef9b0e081e4ee2

Aliases

arxiv: 1103.1514 · arxiv_version: 1103.1514v1 · doi: 10.48550/arxiv.1103.1514 · pith_short_12: 54NVGCRF6I73 · pith_short_16: 54NVGCRF6I73DINC · pith_short_8: 54NVGCRF

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/54NVGCRF6I73DINCU5VQBPXWBN \
  | 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: ef1b530a25f23fb1a1a2a76b00bef60b5524a607ab07b97adaef9b0e081e4ee2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42226419cfe8fffa52640e5e28312d8dedff27c094c9459ff0587edec617a4fb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-03-08T12:54:59Z",
    "title_canon_sha256": "c221f8f59d03dc5ac15e47304ca03e1030df3f7d5ecddb845807bf6f93505c2d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.1514",
    "kind": "arxiv",
    "version": 1
  }
}