Pith Number

pith:ROVZWQKQ

pith:2009:ROVZWQKQCMDZO52EN7P7ALMYIC

not attested not anchored not stored refs pending

Imaging the spotty surface of Betelgeuse in the H band

E. Thiebaut, G. Perrin, J.D. Monnier, J.P. Berger, L. Mugnier, R. Millan-Gabet, S. Lacour, S. Meimon, S.T. Ridgway, T. Verhoelst, W. Traub, X. Haubois

arxiv:0910.4167 v2 · 2009-10-21 · 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{ROVZWQKQCMDZO52EN7P7ALMYIC}

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	2026-05-18T02:11:13.083792Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8bab9b415013079777446fdff02d98408faaf2806874a72749cf4ba1bb9d718e

Aliases

arxiv: 0910.4167 · arxiv_version: 0910.4167v2 · doi: 10.48550/arxiv.0910.4167 · pith_short_12: ROVZWQKQCMDZ · pith_short_16: ROVZWQKQCMDZO52E · pith_short_8: ROVZWQKQ

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/ROVZWQKQCMDZO52EN7P7ALMYIC \
  | 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: 8bab9b415013079777446fdff02d98408faaf2806874a72749cf4ba1bb9d718e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03700936afdea68e3c23b7c954bb5f3d5efe8f43deef0bf9f46abb53e9baf531",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-10-21T20:18:49Z",
    "title_canon_sha256": "143926ea14374c1575ce0187b01cacf97a8c612d15c3127cc99088aa5815f400"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.4167",
    "kind": "arxiv",
    "version": 2
  }
}