Pith Number

pith:LU2SPBCP

pith:2012:LU2SPBCP2RXOHWJFZ76WAE426L

not attested not anchored not stored refs pending

Discovery of a magnetic field in the early B-type star sigma Lupi

B. Plaggenborg, G. A. Wade, H. F. Henrichs, I. A. Waite, J. D. Landstreet, J. H. Grunhut, K. Kolenberg, M. E. Oksala, S. C. Marsden, the MiMeS Collaboration

arxiv:1208.4627 v1 · 2012-08-22 · 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{LU2SPBCP2RXOHWJFZ76WAE426L}

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	2026-05-18T01:54:59.357668Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d3527844fd46ee3d925cffd60139af2c53b9d838c1cda53847086a00103077b

Aliases

arxiv: 1208.4627 · arxiv_version: 1208.4627v1 · doi: 10.48550/arxiv.1208.4627 · pith_short_12: LU2SPBCP2RXO · pith_short_16: LU2SPBCP2RXOHWJF · pith_short_8: LU2SPBCP

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/LU2SPBCP2RXOHWJFZ76WAE426L \
  | 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: 5d3527844fd46ee3d925cffd60139af2c53b9d838c1cda53847086a00103077b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "16008634663bc040377f57b366f032718f29543be3d280c605f18028a6cf8559",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-08-22T21:09:47Z",
    "title_canon_sha256": "e6550d23f9c54ff92dd548cfc55a49efb113a75a3e3cec37d5096ccab171a74a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.4627",
    "kind": "arxiv",
    "version": 1
  }
}