Pith Number

pith:RBQ3M7RB

pith:2006:RBQ3M7RBVZUFQLMVDWG3WW7FIM

not attested not anchored not stored refs pending

Discovery of the brightest T dwarf in the northern hemisphere

2), (2) Gemini Observatory Southern Operations Center, (3) Canada-France-Hawaii Telescope Corporation), Daniel Nadeau (1), David Lafreniere (1), Etienne Artigau (1, Jasmin Robert (1), Loic Albert (3) ((1) Universite de Montreal, Rene Doyon (1)

arxiv:astro-ph/0609419 v2 · 2006-09-14 · 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{RBQ3M7RBVZUFQLMVDWG3WW7FIM}

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	2026-05-18T04:28:57.729951Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8861b67e21ae68582d951d8dbb5be5432a1e7d4a3807d91324c844c73d958981

Aliases

arxiv: astro-ph/0609419 · arxiv_version: astro-ph/0609419v2 · doi: 10.48550/arxiv.astro-ph/0609419 · pith_short_12: RBQ3M7RBVZUF · pith_short_16: RBQ3M7RBVZUFQLMV · pith_short_8: RBQ3M7RB

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/RBQ3M7RBVZUFQLMVDWG3WW7FIM \
  | 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: 8861b67e21ae68582d951d8dbb5be5432a1e7d4a3807d91324c844c73d958981

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1fe7ea5ab50ad9a638381903ddefd9480238ad210d21a21dedb95bff24a10bfa",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-09-14T20:31:00Z",
    "title_canon_sha256": "4ec7de5e6907e4498f721cd718ec229ecb53c5ba926147e38d9c713e760b992e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0609419",
    "kind": "arxiv",
    "version": 2
  }
}