Pith Number

pith:EON7SAI7

pith:2013:EON7SAI724YS2LK7GQXUMF3OCF

not attested not anchored not stored refs pending

Killing Horizons and Spinors

Amilcar de Queiroz, Bruno Carneiro da Cunha

arxiv:1312.4911 v2 · 2013-12-17 · hep-th · gr-qc · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EON7SAI724YS2LK7GQXUMF3OCF}

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	2026-05-18T02:49:28.681294Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

239bf9011fd7312d2d5f342f46176e11443d693f39eaca2ac19b43f64c870b57

Aliases

arxiv: 1312.4911 · arxiv_version: 1312.4911v2 · doi: 10.48550/arxiv.1312.4911 · pith_short_12: EON7SAI724YS · pith_short_16: EON7SAI724YS2LK7 · pith_short_8: EON7SAI7

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/EON7SAI724YS2LK7GQXUMF3OCF \
  | 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: 239bf9011fd7312d2d5f342f46176e11443d693f39eaca2ac19b43f64c870b57

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c8bde6df1cb92480ccdcbf5c456bf0b5e76db0b2bd22aa7d6306e1820fdef049",
    "cross_cats_sorted": [
      "gr-qc",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2013-12-17T19:48:09Z",
    "title_canon_sha256": "6beb501c2bcc365021f781e832ceaa99f77e4103f6203f5a6dd4583ae984f970"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.4911",
    "kind": "arxiv",
    "version": 2
  }
}