Pith Number

pith:YHP5TMSV

pith:2013:YHP5TMSVYIZBC3WENOVCANEBF5

not attested not anchored not stored refs pending

Long-term spectropolarimetric monitoring of the cool supergiant Betelgeuse

A. Chiavassa, G. Perrin, G. Wade, I. Bedecarrax, J.-F. Donati, J. Grunhut, M. Auri\`ere, P. Petit, R. Konstantinova-Antova

arxiv:1302.1018 v1 · 2013-02-05 · 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{YHP5TMSVYIZBC3WENOVCANEBF5}

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	2026-05-18T01:51:50.357014Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1dfd9b255c232116ec46baa2034812f6344720a945231ff896b825d15831f13

Aliases

arxiv: 1302.1018 · arxiv_version: 1302.1018v1 · doi: 10.48550/arxiv.1302.1018 · pith_short_12: YHP5TMSVYIZB · pith_short_16: YHP5TMSVYIZBC3WE · pith_short_8: YHP5TMSV

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/YHP5TMSVYIZBC3WENOVCANEBF5 \
  | 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: c1dfd9b255c232116ec46baa2034812f6344720a945231ff896b825d15831f13

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "762fcbd17e892b7dde16a2581f8c6faef6579ab74e58662717a8f0241192cc50",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-02-05T12:52:44Z",
    "title_canon_sha256": "f4b677d4d21ba9fe8f2f035dcd70719b5b8278c7457c5fe7d32f1fa35612dd86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.1018",
    "kind": "arxiv",
    "version": 1
  }
}