Pith Number

pith:GO3JQNYK

pith:2004:GO3JQNYKA4AVQ7RKFVYS6WD3SK

not attested not anchored not stored refs pending

Interferometric observations of the Mira star o Ceti with the VLTI/VINCI instrument in the near-infrared

(2) European Southern Observatory, (3) Institute for Theoretical Astrophysics, 4), (4) Institute of Astronomy, (5) Research School of Astronomy, A. Richichi (2), Astrophysics, Australian Nat. Univ., Bonn, D. Schertl (1), G. Weigelt (1), H.C. Woodruff (1), K.-H. Hofmann (1), K. Ohnaka (1), M. Eberhardt (1), M. Schoeller (2), M. Scholz (3, M. Wittkowski (2), P.R. Wood (5) ((1) Max Planck Institute for Radioastronomy, School of Physics, T. Driebe (1), University Heidelberg, Univ. of Sydney, Weston Creek)

arxiv:astro-ph/0404248 v1 · 2004-04-13 · 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{GO3JQNYKA4AVQ7RKFVYS6WD3SK}

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	2026-07-04T16:43:33.990814Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

33b698370a0701587e2a2d712f587b92b98f1343d0030f1e83212f07455a3468

Aliases

arxiv: astro-ph/0404248 · arxiv_version: astro-ph/0404248v1 · doi: 10.48550/arxiv.astro-ph/0404248 · pith_short_12: GO3JQNYKA4AV · pith_short_16: GO3JQNYKA4AVQ7RK · pith_short_8: GO3JQNYK

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/GO3JQNYKA4AVQ7RKFVYS6WD3SK \
  | 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: 33b698370a0701587e2a2d712f587b92b98f1343d0030f1e83212f07455a3468

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31acb2ea272042f8def593ec37c1863981ac5d06d3128053f1b6d8c1faf71b25",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-04-13T12:41:15Z",
    "title_canon_sha256": "a02eeed135eb4e5bf7674c76a961954421601d88f66cf3f65d7c2a7c87aadddf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0404248",
    "kind": "arxiv",
    "version": 1
  }
}