Pith Number

pith:SCNFDKRQ

pith:2013:SCNFDKRQJXVXP3KV4QQCRMZDHK

not attested not anchored not stored refs pending

Rotating black hole hair

Danielle Wills, David Kubiznak, Ruth Gregory

arxiv:1303.0519 v2 · 2013-03-03 · gr-qc · astro-ph.CO · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SCNFDKRQJXVXP3KV4QQCRMZDHK}

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	2026-05-18T01:51:17.710395Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

909a51aa304deb77ed55e42028b3233ab8ed83a255dae84c6b9747738a586abc

Aliases

arxiv: 1303.0519 · arxiv_version: 1303.0519v2 · doi: 10.48550/arxiv.1303.0519 · pith_short_12: SCNFDKRQJXVX · pith_short_16: SCNFDKRQJXVXP3KV · pith_short_8: SCNFDKRQ

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/SCNFDKRQJXVXP3KV4QQCRMZDHK \
  | 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: 909a51aa304deb77ed55e42028b3233ab8ed83a255dae84c6b9747738a586abc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6d2b54cbdfb71fa96b5878bd44b6322890a936c00062b0fa35269a7150b2dfd",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-03-03T15:38:10Z",
    "title_canon_sha256": "9cd38ad840f502c5ce1ed6d3f5fd52ab4c5f7338a593250c88f2ac0fe7c8422c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.0519",
    "kind": "arxiv",
    "version": 2
  }
}