Pith Number

pith:6RLX7H6Y

pith:1998:6RLX7H6YAMBHV4OBXVTCPITDIS

not attested not anchored not stored refs pending

Brown Dwarfs: From Mythical to Ubiquitous

James Liebert (Steward Observatory, Space Telescope Science Institute), Univ. of Arizona

arxiv:astro-ph/9812061 v1 · 1998-12-02 · 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{6RLX7H6YAMBHV4OBXVTCPITDIS}

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	2026-05-18T01:07:36.781613Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f4577f9fd803027af1c1bd6627a26344a7cee3095e05f508ed6b955e10d16f5d

Aliases

arxiv: astro-ph/9812061 · arxiv_version: astro-ph/9812061v1 · doi: 10.48550/arxiv.astro-ph/9812061 · pith_short_12: 6RLX7H6YAMBH · pith_short_16: 6RLX7H6YAMBHV4OB · pith_short_8: 6RLX7H6Y

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/6RLX7H6YAMBHV4OBXVTCPITDIS \
  | 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: f4577f9fd803027af1c1bd6627a26344a7cee3095e05f508ed6b955e10d16f5d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ccd85dfe4e36d359b6391a3d154040a8a39d56b39ec3119bb1f62fceca7b654a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-12-02T22:53:27Z",
    "title_canon_sha256": "fef09821a8c542dc978e6cb58bc6484041be971724de0dcccf73771924edf148"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9812061",
    "kind": "arxiv",
    "version": 1
  }
}