Pith Number

pith:NEXOXNXQ

pith:2005:NEXOXNXQKBZV4CR2PRAAF7XV2X

not attested not anchored not stored refs pending

Evidence for a co-moving sub-stellar companion of GQ Lup

A. Bedalov (AIU Jena), E.W. Guenther (TLS Tautenburg), G. Wuchterl, M. Mugrauer, P.H. Hauschildt (Univ. Hamburg), R. Neuhaeuser (AIU Jena)

arxiv:astro-ph/0503691 v1 · 2005-03-31 · 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{NEXOXNXQKBZV4CR2PRAAF7XV2X}

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	2026-05-18T02:40:25.726431Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

692eebb6f050735e0a3a7c4002fef5d5fbcb4e23630c4f0cb5f6466f7ea1e76c

Aliases

arxiv: astro-ph/0503691 · arxiv_version: astro-ph/0503691v1 · doi: 10.48550/arxiv.astro-ph/0503691 · pith_short_12: NEXOXNXQKBZV · pith_short_16: NEXOXNXQKBZV4CR2 · pith_short_8: NEXOXNXQ

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/NEXOXNXQKBZV4CR2PRAAF7XV2X \
  | 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: 692eebb6f050735e0a3a7c4002fef5d5fbcb4e23630c4f0cb5f6466f7ea1e76c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5402768ce60fdf8c3b0ff71077d7989f3ad07de0226d744c06d1762247e51430",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-03-31T11:33:27Z",
    "title_canon_sha256": "6a3e601d60e805f18b87d53f91aa2f843ce45ae2caa84b83c518f3f5e9b47bd6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0503691",
    "kind": "arxiv",
    "version": 1
  }
}