Pith Number

pith:UJG73XPF

pith:2013:UJG73XPFYZIVGQALC75O2BNO4H

not attested not anchored not stored refs pending

YNOGK: A new public code for calculating null geodesics in the Kerr spacetime

Jiancheng Wang, Xiaolin Yang

arxiv:1305.1250 v1 · 2013-05-06 · astro-ph.HE · 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{UJG73XPFYZIVGQALC75O2BNO4H}

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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

Reshaping the inner shadow of a Kerr black hole by a torn accretion disk

Receipt and verification

First computed	2026-05-18T01:50:11.703374Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a24dfddde5c65153400b17faed05aee1e25d1794e068becef139aaf57e5c8f35

Aliases

arxiv: 1305.1250 · arxiv_version: 1305.1250v1 · doi: 10.48550/arxiv.1305.1250 · pith_short_12: UJG73XPFYZIV · pith_short_16: UJG73XPFYZIVGQAL · pith_short_8: UJG73XPF

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/UJG73XPFYZIVGQALC75O2BNO4H \
  | 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: a24dfddde5c65153400b17faed05aee1e25d1794e068becef139aaf57e5c8f35

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "521ca6d9f1e4333926f5a60cd9393e7b6ce10ed643e29d76efb47310bf70c73a",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-05-06T17:21:23Z",
    "title_canon_sha256": "498bc12e0dc0227658c9216d8a7683f09bd7c2991db1b6548586c25d7b7d9f6a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.1250",
    "kind": "arxiv",
    "version": 1
  }
}