Pith Number

pith:QBE3QNIK

pith:2013:QBE3QNIKL75W6CYV5QZS4EMZKF

not attested not anchored not stored refs pending

Multi-element Doppler imaging of the CP2 star HD 3980

D. Shulyak, M. Obbrugger, N. A. Drake, N. Nesvacil, N. Piskunov, N. Polosukhina, O. Kochukhov, S. Hubrig, T. L\"uftinger, T. Ryabchikova, W. Weiss

arxiv:1303.2703 v1 · 2013-03-11 · 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{QBE3QNIKL75W6CYV5QZS4EMZKF}

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	2026-05-18T03:31:08.347373Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8049b8350a5ffb6f0b15ec332e1199517df89a6c69b5bb1c757b745a590bdb85

Aliases

arxiv: 1303.2703 · arxiv_version: 1303.2703v1 · doi: 10.48550/arxiv.1303.2703 · pith_short_12: QBE3QNIKL75W · pith_short_16: QBE3QNIKL75W6CYV · pith_short_8: QBE3QNIK

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/QBE3QNIKL75W6CYV5QZS4EMZKF \
  | 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: 8049b8350a5ffb6f0b15ec332e1199517df89a6c69b5bb1c757b745a590bdb85

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "344397d8eb645bbbee9607ddec69a00cf70d7ec1d4e9e4d86af292f268236214",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-03-11T21:48:55Z",
    "title_canon_sha256": "8370d7d0a21a78d6ba9ed01c265eb86c2fc6850452131c7f5fb3dd3f4c316cfb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.2703",
    "kind": "arxiv",
    "version": 1
  }
}