Pith Number

pith:I6EAOC4O

pith:2009:I6EAOC4OSFUM6SEFLCBBQ6DCQU

not attested not anchored not stored refs pending

Accretion of a massive magnetized torus on a rotating black hole

Anton N. Baushev, Maxim V. Barkov

arxiv:0905.4440 v1 · 2009-05-27 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I6EAOC4OSFUM6SEFLCBBQ6DCQU}

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	2026-05-18T02:34:46.091568Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4788070b8e9168cf488558821878628526b198db7ec717a8aa150c5451cf4171

Aliases

arxiv: 0905.4440 · arxiv_version: 0905.4440v1 · doi: 10.48550/arxiv.0905.4440 · pith_short_12: I6EAOC4OSFUM · pith_short_16: I6EAOC4OSFUM6SEF · pith_short_8: I6EAOC4O

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/I6EAOC4OSFUM6SEFLCBBQ6DCQU \
  | 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: 4788070b8e9168cf488558821878628526b198db7ec717a8aa150c5451cf4171

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0cd5c44c239c774f1315f11adeb7f2f5d87baae20db4e87fec740f57beb38260",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-05-27T14:38:28Z",
    "title_canon_sha256": "69f07a8732e0f3544da1b88794675f025db933ef27b0e20ea7e1ca4370bdae9f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.4440",
    "kind": "arxiv",
    "version": 1
  }
}