Pith Number

pith:22QORTQW

pith:2016:22QORTQWVE4HU5AIWNNGEDN65H

not attested not anchored not stored refs pending

Quantum radiation from a sandwich black hole

Andrei Zelnikov, Valeri P. Frolov

arxiv:1612.05319 v2 · 2016-12-16 · 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{22QORTQWVE4HU5AIWNNGEDN65H}

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	2026-05-18T00:49:10.654479Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6a0e8ce16a9387a7408b35a620dbee9c46ee0ef1598ef8f804d7a678fd57730

Aliases

arxiv: 1612.05319 · arxiv_version: 1612.05319v2 · doi: 10.48550/arxiv.1612.05319 · pith_short_12: 22QORTQWVE4H · pith_short_16: 22QORTQWVE4HU5AI · pith_short_8: 22QORTQW

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/22QORTQWVE4HU5AIWNNGEDN65H \
  | 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: d6a0e8ce16a9387a7408b35a620dbee9c46ee0ef1598ef8f804d7a678fd57730

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bbaa5e855fa745e9511560b1f351e0ad91c012e3457722c13e94f979fd02acd0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2016-12-16T00:20:40Z",
    "title_canon_sha256": "917b6d5c85afa47c487e113a5acf225f5cbd7f8744e97575e87da1c92633f081"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.05319",
    "kind": "arxiv",
    "version": 2
  }
}