Pith Number

pith:5OUBV2JX

pith:2003:5OUBV2JXXBAACBF2VBKRS3TADV

not attested not anchored not stored refs pending

The spinning-top Be star Achernar from VLTI-VINCI

A. Domiciano De Souza, E. Di Folco, F. Paresce, F. Vakili, L. Abe, P. Kervella, S. Jankov

arxiv:astro-ph/0306277 v1 · 2003-06-13 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5OUBV2JXXBAACBF2VBKRS3TADV}

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	2026-05-18T04:21:41.454882Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eba81ae937b8400104baa855196e601d41387a629f51aca046375d7c8d025eab

Aliases

arxiv: astro-ph/0306277 · arxiv_version: astro-ph/0306277v1 · doi: 10.48550/arxiv.astro-ph/0306277 · pith_short_12: 5OUBV2JXXBAA · pith_short_16: 5OUBV2JXXBAACBF2 · pith_short_8: 5OUBV2JX

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/5OUBV2JXXBAACBF2VBKRS3TADV \
  | 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: eba81ae937b8400104baa855196e601d41387a629f51aca046375d7c8d025eab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6ac38c084d8789b54c00652a3d08d2ca489e8f726dc902258ab941c1c459871",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-06-13T09:36:26Z",
    "title_canon_sha256": "34259f6c7582c21566d51d2e66e7b133f340f697118425a15863ea0bc780abf9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0306277",
    "kind": "arxiv",
    "version": 1
  }
}