Pith Number

pith:BTPSYC2F

pith:1999:BTPSYC2FXPMTL4V4V5AOOVNLHV

not attested not anchored not stored refs pending

Efficiency of Magnetized Thin Accretion Disks in the Kerr Metric

Charles F. Gammie

arxiv:astro-ph/9906223 v1 · 1999-06-14 · 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{BTPSYC2FXPMTL4V4V5AOOVNLHV}

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

Orbital Motion in Spacetimes Influenced by the Presence of Scalar and Electromagnetic Fields

Receipt and verification

First computed	2026-07-04T16:11:18.935624Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0cdf2c0b45bbd935f2bcaf40e755ab3d64295cc10c307e76c31c32bb5c95ab56

Aliases

arxiv: astro-ph/9906223 · arxiv_version: astro-ph/9906223v1 · doi: 10.48550/arxiv.astro-ph/9906223 · pith_short_12: BTPSYC2FXPMT · pith_short_16: BTPSYC2FXPMTL4V4 · pith_short_8: BTPSYC2F

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/BTPSYC2FXPMTL4V4V5AOOVNLHV \
  | 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: 0cdf2c0b45bbd935f2bcaf40e755ab3d64295cc10c307e76c31c32bb5c95ab56

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d329088a305da885a178c5b0f1992e828034d8cee12f5290d904eda0e82a103d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-06-14T03:33:22Z",
    "title_canon_sha256": "c35fa5ea5c26ebc6533dd55fc487203c465dc7fffc2a3552f3c10840b9788bc6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9906223",
    "kind": "arxiv",
    "version": 1
  }
}