Pith Number

pith:TJP2AXWJ

pith:2019:TJP2AXWJARBGBBE6WBXFWKQNS7

not attested not anchored not stored refs pending

Quantization of the interior of the black hole

Jos\'e A. C. Nogales, K. Luz-Burgoa, Laysa G. Martins

arxiv:1911.07909 v2 · 2019-11-18 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TJP2AXWJARBGBBE6WBXFWKQNS7}

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	2026-07-05T00:33:36.860363Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a5fa05ec9044260849eb06e5b2a0d97fcba47d061283ee5227a3111cfa6dce3

Aliases

arxiv: 1911.07909 · arxiv_version: 1911.07909v2 · doi: 10.48550/arxiv.1911.07909 · pith_short_12: TJP2AXWJARBG · pith_short_16: TJP2AXWJARBGBBE6 · pith_short_8: TJP2AXWJ

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/TJP2AXWJARBGBBE6WBXFWKQNS7 \
  | 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: 9a5fa05ec9044260849eb06e5b2a0d97fcba47d061283ee5227a3111cfa6dce3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "631f3ce3a9902a9e5bb4fcec50e71745216181f3dba9c43aa006c7cadfa1fb1d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-11-18T20:12:49Z",
    "title_canon_sha256": "73d26ce83b771f2a852c9979e3d7e03bac602c484bb7b4649768d6ae9a542d3e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.07909",
    "kind": "arxiv",
    "version": 2
  }
}