Pith Number

pith:643HZEZJ

pith:2015:643HZEZJDKWWYBJARKQLRXJLLY

not attested not anchored not stored refs pending

The Hawking cascade from a black hole is extremely sparse

Alexander Van-Brunt (Victoria University of Wellington), Finnian Gray (Victoria University of Wellington), Matt Visser (Victoria University of Wellington), Sebastian Schuster (Victoria University of Wellington)

arxiv:1506.03975 v2 · 2015-06-12 · 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{643HZEZJDKWWYBJARKQLRXJLLY}

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	2026-05-18T00:29:41.134638Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7367c93291aad6c05208aa0b8dd2b5e18eb66d7088189dd8a646885aee8f1b2

Aliases

arxiv: 1506.03975 · arxiv_version: 1506.03975v2 · doi: 10.48550/arxiv.1506.03975 · pith_short_12: 643HZEZJDKWW · pith_short_16: 643HZEZJDKWWYBJA · pith_short_8: 643HZEZJ

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/643HZEZJDKWWYBJARKQLRXJLLY \
  | 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: f7367c93291aad6c05208aa0b8dd2b5e18eb66d7088189dd8a646885aee8f1b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50ebefdd2cda0502f5f9ed5ad765c064bb8527784d93332c0928d13b94f35e0f",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-06-12T10:41:07Z",
    "title_canon_sha256": "4641fd81be934846a09319bcaef521c69792b474c87da6fe5e292d660f879b9b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.03975",
    "kind": "arxiv",
    "version": 2
  }
}