Pith Number

pith:74HUDYC2

pith:2025:74HUDYC2OU3TTAHV7OJOFLPD7M

not attested not anchored not stored refs pending

Equilibrium models of Weyssenhoff spin fluid accretion tori around Kerr black holes

Claus L\"ammerzahl, Sayantani Lahiri, Sergio Gimeno-Soler

arxiv:2506.19477 v1 · 2025-06-24 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{74HUDYC2OU3TTAHV7OJOFLPD7M}

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	2026-07-05T11:26:15.665904Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff0f41e05a75373980f5fb92e2ade3fb3305c455231f428a0ec3795abbc16ea5

Aliases

arxiv: 2506.19477 · arxiv_version: 2506.19477v1 · doi: 10.48550/arxiv.2506.19477 · pith_short_12: 74HUDYC2OU3T · pith_short_16: 74HUDYC2OU3TTAHV · pith_short_8: 74HUDYC2

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/74HUDYC2OU3TTAHV7OJOFLPD7M \
  | 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: ff0f41e05a75373980f5fb92e2ade3fb3305c455231f428a0ec3795abbc16ea5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bdc06d1bab2e8a0adf56a13cc99d713ad4a7f457a3d3e80fbd562b1ccf33e81f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2025-06-24T10:07:05Z",
    "title_canon_sha256": "4c1c931e50896b8168675ae696aea7342ffe7aca1f37128fcfd547cf9a260087"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.19477",
    "kind": "arxiv",
    "version": 1
  }
}