Pith Number

pith:4QPBP6PS

pith:2009:4QPBP6PS46F6T5DFKH26DIPOEX

not attested not anchored not stored refs pending

On Tunnelling Through the Black Hole Horizon

V. A. Belinski

arxiv:0910.3934 v2 · 2009-10-20 · 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{4QPBP6PS46F6T5DFKH26DIPOEX}

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	2026-05-18T03:53:32.068311Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e41e17f9f2e78be9f46551f5e1a1ee25d8429e161080a857e717a148bf150268

Aliases

arxiv: 0910.3934 · arxiv_version: 0910.3934v2 · doi: 10.48550/arxiv.0910.3934 · pith_short_12: 4QPBP6PS46F6 · pith_short_16: 4QPBP6PS46F6T5DF · pith_short_8: 4QPBP6PS

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/4QPBP6PS46F6T5DFKH26DIPOEX \
  | 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: e41e17f9f2e78be9f46551f5e1a1ee25d8429e161080a857e717a148bf150268

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "777e88fd26050bf164f592ba81a2f25568f5496ef0b523d41e33c501acf50aa3",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2009-10-20T18:31:05Z",
    "title_canon_sha256": "37be5c449abe9f82988ea769148a23bbafc84d086aa7120fb2639bdfe2825e7b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.3934",
    "kind": "arxiv",
    "version": 2
  }
}