Pith Number

pith:PGDUKVDQ

pith:2009:PGDUKVDQG5J64YKEVAYFEUISJV

not attested not anchored not stored refs pending

Angular Momentum Transfer and Lack of Fragmentation in Self-Gravitating Accretion Flows

Isaac Shlosman (JILA/CU Boulder), Mitchell Begelman

arxiv:0904.4247 v2 · 2009-04-27 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PGDUKVDQG5J64YKEVAYFEUISJV}

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.

Cited by

1 paper in Pith

Ultraviolet diversity of Little Red Dots as a probe for direct-collapse black hole ages

Receipt and verification

First computed	2026-05-18T02:13:56.912095Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79874554703753ee6144a8305251124d718d575ea02dcec4258b33227afca8a0

Aliases

arxiv: 0904.4247 · arxiv_version: 0904.4247v2 · doi: 10.48550/arxiv.0904.4247 · pith_short_12: PGDUKVDQG5J6 · pith_short_16: PGDUKVDQG5J64YKE · pith_short_8: PGDUKVDQ

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/PGDUKVDQG5J64YKEVAYFEUISJV \
  | 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: 79874554703753ee6144a8305251124d718d575ea02dcec4258b33227afca8a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79fefe3ff0b3e219b2ba178c5ad54236f813c19327ba88a80030dae9f98a119a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-04-27T20:00:13Z",
    "title_canon_sha256": "8fef13f21f07a00fdd6156dfb13b46635951cb8bedc393e02d65d4fd820f53fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.4247",
    "kind": "arxiv",
    "version": 2
  }
}