Pith Number

pith:GO6AI64D

pith:2004:GO6AI64DWXQ6APD7IS75YY3HTL

not attested not anchored not stored refs pending

Vortex geometry for the equatorial slice of the Kerr black hole

Matt Visser, Silke Weinfurtner

arxiv:gr-qc/0409014 v2 · 2004-09-03 · gr-qc · cond-mat.other · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GO6AI64DWXQ6APD7IS75YY3HTL}

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	2026-07-04T16:47:47.758627Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

33bc047b83b5e1e03c7f44bfdc63679aef93e7b90a40cc0fd05a6b4b2aa240a7

Aliases

arxiv: gr-qc/0409014 · arxiv_version: gr-qc/0409014v2 · doi: 10.48550/arxiv.gr-qc/0409014 · pith_short_12: GO6AI64DWXQ6 · pith_short_16: GO6AI64DWXQ6APD7 · pith_short_8: GO6AI64D

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/GO6AI64DWXQ6APD7IS75YY3HTL \
  | 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: 33bc047b83b5e1e03c7f44bfdc63679aef93e7b90a40cc0fd05a6b4b2aa240a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8e8c13b8a81f4e01e7fb9658e711fd935ffb37fe76ec404ee0d749d337451e8",
    "cross_cats_sorted": [
      "cond-mat.other",
      "physics.flu-dyn"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2004-09-03T06:18:12Z",
    "title_canon_sha256": "2f46408ce52c9587475c5d228985f3b57e16d9f46277897d5877397b9e7693d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0409014",
    "kind": "arxiv",
    "version": 2
  }
}