Pith Number

pith:SCTDVZVR

pith:2013:SCTDVZVR2OHGX2HGRNSVGCXKER

not attested not anchored not stored refs pending

Ray tracing Einstein-{\AE}ther black holes: Universal versus Killing horizons

Arif Mohd, Bethan Cropp, Matt Visser, Stefano Liberati

arxiv:1312.0405 v2 · 2013-12-02 · gr-qc · 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{SCTDVZVR2OHGX2HGRNSVGCXKER}

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	2026-05-18T02:55:20.384302Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90a63ae6b1d38e6be8e68b65530aea24626e7d42bea67e93c9107b9df202e666

Aliases

arxiv: 1312.0405 · arxiv_version: 1312.0405v2 · doi: 10.48550/arxiv.1312.0405 · pith_short_12: SCTDVZVR2OHG · pith_short_16: SCTDVZVR2OHGX2HG · pith_short_8: SCTDVZVR

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/SCTDVZVR2OHGX2HGRNSVGCXKER \
  | 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: 90a63ae6b1d38e6be8e68b65530aea24626e7d42bea67e93c9107b9df202e666

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11f7e7793484f262760f4395ed089d11a3895c87356d36ffbda97c146a53c130",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-12-02T10:47:44Z",
    "title_canon_sha256": "150e84d5fd8671590241532f739d270e15e557dd572bd3de2ace3714b76d14bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.0405",
    "kind": "arxiv",
    "version": 2
  }
}