Pith Number

pith:46LSOJJF

pith:2004:46LSOJJFC6A5W3HIBC2JHSU6SF

not attested not anchored not stored refs pending

A Solution to the Protostellar Accretion Problem

Ake Nordlund, Alexei Kritsuk, Michael L. Norman, Paolo Padoan

arxiv:astro-ph/0411129 v2 · 2004-11-05 · 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{46LSOJJFC6A5W3HIBC2JHSU6SF}

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	2026-07-04T16:45:07.404107Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7972725251781db6ce808b493ca9e917cae6862e52c71691d82f9382f369b15

Aliases

arxiv: astro-ph/0411129 · arxiv_version: astro-ph/0411129v2 · doi: 10.48550/arxiv.astro-ph/0411129 · pith_short_12: 46LSOJJFC6A5 · pith_short_16: 46LSOJJFC6A5W3HI · pith_short_8: 46LSOJJF

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/46LSOJJFC6A5W3HIBC2JHSU6SF \
  | 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: e7972725251781db6ce808b493ca9e917cae6862e52c71691d82f9382f369b15

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e9815bf612c44858d2856b1f811afc9875b701cda89518276c9cda377f85114",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-11-05T02:29:20Z",
    "title_canon_sha256": "e04cd245a8457b09ccc0749cf1c3e8866d5f9f6cdf0b8b37dfd51dc142cbc06c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0411129",
    "kind": "arxiv",
    "version": 2
  }
}