pith. sign in
Pith Number

pith:D43HMRZB

pith:2011:D43HMRZB2ANVQGZBDLRBTWMW33
not attested not anchored not stored refs pending

Discovery of the magnetic field of the B1/B2V star \sigma Lupi

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

arxiv:1108.4556 v1 · 2011-08-23 · astro-ph.SR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{D43HMRZB2ANVQGZBDLRBTWMW33}

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 2026-05-18T02:00:49.330701Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

1f36764721d01b581b211ae219d996defc4e100a33c869f40db8d0dba405ddc3

Aliases

arxiv: 1108.4556 · arxiv_version: 1108.4556v1 · doi: 10.48550/arxiv.1108.4556 · pith_short_12: D43HMRZB2ANV · pith_short_16: D43HMRZB2ANVQGZB · pith_short_8: D43HMRZB
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/D43HMRZB2ANVQGZBDLRBTWMW33 \
  | 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: 1f36764721d01b581b211ae219d996defc4e100a33c869f40db8d0dba405ddc3
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "a73b7261ab6c16686e8bdd57118ec9608b1ebd94b8586f3ea95dbde695d21511",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-08-23T11:32:31Z",
    "title_canon_sha256": "498e30bca2f8199bf06fcff28f682e56da442ddcf6d9135bfb37bd658388418b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.4556",
    "kind": "arxiv",
    "version": 1
  }
}