Pith Number

pith:43WDXK7W

pith:2013:43WDXK7WJSBU24ROP344KYCINJ

not attested not anchored not stored refs pending

e-MERLIN resolves Betelgeuse at wavelength 5 cm

(2) Instituut voor Sterrenkunde, 3), (4) School of Physics, (5) Department of Physics, 6), (6) Institute of Astronomy, (7) ESO, Academia Sinica, A. M. S. Richards (1), Astronomy, Astrophysics, Belgium (3) Hamburger Sternwarte, Dept. Physics, Dublin, E. O'Gorman (4), Garching bei Muenchen, Germany, Germany), G. M. Harper (4) J. J. Lim (5, I. McDonald (1), Ireland, Katholieke Universiteit Leuven, L. Decin (2), M .D. Gray (1), M. Wittkowski (7) ((1) JBCA, R. J. Davis (1), S. Etoka (1, S. T. Garrington (1), Taipei, Taiwan, Trinity College, UK, University of Hong Kong, University of Manchester

arxiv:1303.2864 v1 · 2013-03-12 · 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{43WDXK7WJSBU24ROP344KYCINJ}

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	2026-05-18T01:51:08.268193Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6ec3babf64c834d722e7ef9c560486a69a3c05eac81c81b5ac84ab3f10d0603

Aliases

arxiv: 1303.2864 · arxiv_version: 1303.2864v1 · doi: 10.48550/arxiv.1303.2864 · pith_short_12: 43WDXK7WJSBU · pith_short_16: 43WDXK7WJSBU24RO · pith_short_8: 43WDXK7W

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/43WDXK7WJSBU24ROP344KYCINJ \
  | 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: e6ec3babf64c834d722e7ef9c560486a69a3c05eac81c81b5ac84ab3f10d0603

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ec8f347daf81b0e17de3812184ee3f0b998c4b70f94aa4883f899d504622307",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-03-12T12:52:34Z",
    "title_canon_sha256": "81d0ed6074baaee227d4dd4f5dc81e5abe1fb7e6981cbceb8ec9c20c85ce315f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.2864",
    "kind": "arxiv",
    "version": 1
  }
}