Pith Number

pith:V5C3PFZS

pith:2025:V5C3PFZSXQBEK4DAYLJ27T25T2

not attested not anchored not stored refs pending

Black Hole Information From Non-vacuum Localised Quantum States

Ali Akil, Giulio Chiribella, Nicetu Tibau Vidal, Riccardo Falcone

arxiv:2504.17911 v1 · 2025-04-24 · gr-qc · hep-th · 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{V5C3PFZSXQBEK4DAYLJ27T25T2}

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

A Quantum Superposition of Black Hole Evaporation Histories: Recovering Unitarity

Receipt and verification

First computed	2026-07-05T10:53:58.569863Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af45b79732bc02457060c2d3afcf5d9eb244056d2009cb357e4f810dbdd94089

Aliases

arxiv: 2504.17911 · arxiv_version: 2504.17911v1 · doi: 10.48550/arxiv.2504.17911 · pith_short_12: V5C3PFZSXQBE · pith_short_16: V5C3PFZSXQBEK4DA · pith_short_8: V5C3PFZS

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/V5C3PFZSXQBEK4DAYLJ27T25T2 \
  | 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: af45b79732bc02457060c2d3afcf5d9eb244056d2009cb357e4f810dbdd94089

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49f7d54112eb265ea865daf94d1210ff138b2d1f5f51e7bace4e88f3f679c4ac",
    "cross_cats_sorted": [
      "hep-th",
      "quant-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2025-04-24T19:56:47Z",
    "title_canon_sha256": "5138e5cb44063052d3206cb31bdeb0f23369a6c63b16ad4340dda982e870a425"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.17911",
    "kind": "arxiv",
    "version": 1
  }
}