Pith Number

pith:PRI3YFRP

pith:2020:PRI3YFRPWLHIT5V4TBD6EM4CUY

not attested not anchored not stored refs pending

A Random Unitary Circuit Model for Black Hole Evaporation

Christoph S\"underhauf, Lorenzo Piroli, Xiao-Liang Qi

arxiv:2002.09236 v2 · 2020-02-21 · hep-th · cond-mat.stat-mech · 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{PRI3YFRPWLHIT5V4TBD6EM4CUY}

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

1 paper in Pith

Evaporating Black Hole Interior and Complexity Evolution

Receipt and verification

First computed	2026-07-05T00:54:32.655949Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c51bc162fb2ce89f6bc9847e23382a61fa16d3a2edc46ba463630f3b352d527

Aliases

arxiv: 2002.09236 · arxiv_version: 2002.09236v2 · doi: 10.48550/arxiv.2002.09236 · pith_short_12: PRI3YFRPWLHI · pith_short_16: PRI3YFRPWLHIT5V4 · pith_short_8: PRI3YFRP

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/PRI3YFRPWLHIT5V4TBD6EM4CUY \
  | 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: 7c51bc162fb2ce89f6bc9847e23382a61fa16d3a2edc46ba463630f3b352d527

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d5ae5a7f417c8be1bace9e4b06375b0acb4f131b3cc5d71e9050f58e56d43ac6",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2020-02-21T11:37:39Z",
    "title_canon_sha256": "4ef9a3508278f3c9ebedf08f149aca32a30d3384e860fed2d1cce1c40e5eeaf2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.09236",
    "kind": "arxiv",
    "version": 2
  }
}