Pith Number

pith:PL35JSXS

pith:2009:PL35JSXSYDPKNJRRJVCW7BNXN7

not attested not anchored not stored refs pending

Photometric Variability of the T2.5 Brown Dwarf SIMP J013656.5+093347; Evidence for Evolving Weather Patterns

David Lafreni\`ere, \'Etienne Artigau, Ren\'e Doyon, Sandie Bouchard

arxiv:0906.3514 v2 · 2009-06-18 · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PL35JSXSYDPKNJRRJVCW7BNXN7}

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	2026-05-18T04:29:42.682666Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7af7d4caf2c0dea6a6314d456f85b76fefc22d34bc29afc17a7a48368a93a321

Aliases

arxiv: 0906.3514 · arxiv_version: 0906.3514v2 · doi: 10.48550/arxiv.0906.3514 · pith_short_12: PL35JSXSYDPK · pith_short_16: PL35JSXSYDPKNJRR · pith_short_8: PL35JSXS

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/PL35JSXSYDPKNJRRJVCW7BNXN7 \
  | 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: 7af7d4caf2c0dea6a6314d456f85b76fefc22d34bc29afc17a7a48368a93a321

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d16183c3997854ecf365e970d198856a42634872bb5114f251df1da08b616c0f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-06-18T20:00:04Z",
    "title_canon_sha256": "ee1ae5fdd2fc4006b1c55dd7db6723d35ade7f9b8caffe401f4da6ec3e7c1001"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.3514",
    "kind": "arxiv",
    "version": 2
  }
}