Pith Number

pith:GBWOTFBJ

pith:2001:GBWOTFBJCJLV6NEV7JHCKWNK6D

not attested not anchored not stored refs pending

Optical spectroscopy of isolated planetary mass objects in the sigma Orionis cluster

2), 5), C.A.L. Bailer-Jones (2). ((1) Universidad Aut\'onoma de Madrid, CSIC, D. Barrado-y-Navascu\'es (1, E.L. Mart\'in (6), Hawaii, Heidelberg. Germany (3) California Institute of Technology, Madrid, M.R. Zapatero-Osorio (3), Pasadena, R. Mundt (2), R. Rebolo (4, Spain. (2) Max-Planck-Institut f\"ur Astronomie, Spain (5) Consejo Superior de Investigaciones Cient\'ificas, Spain (6) Institute of Astronomy. University of Hawaii, Tenerife, USA), USA (4) Instituto de Astrof\'isica de Canarias, V.J.S. B\'ejar (4)

arxiv:astro-ph/0108249 v1 · 2001-08-15 · 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{GBWOTFBJCJLV6NEV7JHCKWNK6D}

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	2026-05-18T01:09:10.875239Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

306ce9942912575f3495fa4e2559aaf0c94e7b3ba7b0a3cd4425ec7dcdd6b9c1

Aliases

arxiv: astro-ph/0108249 · arxiv_version: astro-ph/0108249v1 · doi: 10.48550/arxiv.astro-ph/0108249 · pith_short_12: GBWOTFBJCJLV · pith_short_16: GBWOTFBJCJLV6NEV · pith_short_8: GBWOTFBJ

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/GBWOTFBJCJLV6NEV7JHCKWNK6D \
  | 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: 306ce9942912575f3495fa4e2559aaf0c94e7b3ba7b0a3cd4425ec7dcdd6b9c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6e23e98856c4e634ac2160eba79054612e008c6e34f10776fbded4585954c29",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-08-15T01:37:09Z",
    "title_canon_sha256": "28046a05c391a19a947ceaafa91629c301372f9e38b3f0121538acd6cb5e72ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0108249",
    "kind": "arxiv",
    "version": 1
  }
}