Pith Number

pith:BF7RCBGC

pith:2010:BF7RCBGCE5MINGGKPAEXH7OR5M

not attested not anchored not stored refs pending

The formation of brown dwarfs in discs: Physics, numerics, and observations

Anthony Whitworth (School of Physics, Astronomy, Cardiff University, Dimitris Stamatellos, UK)

arxiv:1009.4561 v1 · 2010-09-23 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BF7RCBGCE5MINGGKPAEXH7OR5M}

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	2026-05-18T02:05:18.245569Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

097f1104c227588698ca780973fdd1eb0fbc2a31bc4b5b2a8d38a4723e0a358f

Aliases

arxiv: 1009.4561 · arxiv_version: 1009.4561v1 · doi: 10.48550/arxiv.1009.4561 · pith_short_12: BF7RCBGCE5MI · pith_short_16: BF7RCBGCE5MINGGK · pith_short_8: BF7RCBGC

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/BF7RCBGCE5MINGGKPAEXH7OR5M \
  | 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: 097f1104c227588698ca780973fdd1eb0fbc2a31bc4b5b2a8d38a4723e0a358f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0bb08f582bcdbc6ba24b20b5e4d5d60eaa1cec430e1eda525c1614e55d49d04c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-09-23T10:22:12Z",
    "title_canon_sha256": "6d635d6372d63f1208a72236a045a3f5f8f396cf5f97b68437510a376b587699"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.4561",
    "kind": "arxiv",
    "version": 1
  }
}