Pith Number

pith:4BLXLQJ7

pith:2019:4BLXLQJ77MGCZHQUKYDIPOOQPD

not attested not anchored not stored refs pending

The Python's Lunch: geometric obstructions to decoding Hawking radiation

Adam R. Brown, Geoff Penington, Hrant Gharibyan, Leonard Susskind

arxiv:1912.00228 v1 · 2019-11-30 · hep-th · gr-qc · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4BLXLQJ77MGCZHQUKYDIPOOQPD}

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.

Cited by

15 papers in Pith

The mini-Page Curve in Cosmology

Wigner negativity in Krylov space and emergent semiclassicality

Asymptotically-flat Black holes in Bumblebee gravity: Exact solutions and Thermodynamics

Rethinking quantum information in gravity and fields

Fortuity and Complexity in a Simple Quark Model

Receipt and verification

First computed	2026-07-05T00:23:11.181738Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e05775c13ffb0c2c9e14560687b9d078f864f6d35a54c8a3f93e4322ac57b96a

Aliases

arxiv: 1912.00228 · arxiv_version: 1912.00228v1 · doi: 10.48550/arxiv.1912.00228 · pith_short_12: 4BLXLQJ77MGC · pith_short_16: 4BLXLQJ77MGCZHQU · pith_short_8: 4BLXLQJ7

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/4BLXLQJ77MGCZHQUKYDIPOOQPD \
  | 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: e05775c13ffb0c2c9e14560687b9d078f864f6d35a54c8a3f93e4322ac57b96a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9fdd39f319090d1414820fe86e18a8bdc2be0d5844d9a9bf6c33dcec9030a232",
    "cross_cats_sorted": [
      "gr-qc",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2019-11-30T16:35:03Z",
    "title_canon_sha256": "2980b75258f8e8b1bcc8ab46658b46f6be89ca291d0053e5407875d1f8c3e719"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.00228",
    "kind": "arxiv",
    "version": 1
  }
}