Pith Number

pith:5Q5RM24L

pith:2020:5Q5RM24L5FWRQEVDTCBMH5CKVW

not attested not anchored not stored refs pending

Islands in Schwarzschild black holes

Koji Hashimoto, Norihiro Iizuka, Yoshinori Matsuo

arxiv:2004.05863 v2 · 2020-04-13 · hep-th · 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{5Q5RM24L5FWRQEVDTCBMH5CKVW}

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

3 papers in Pith

The Remnant of an Evaporating Rotating Regular Black Hole from the Generalized Entropy in the Final Stage of Evaporation

Thermodynamics and information recovery of Schwarzschild AdS black holes in conformal Killing gravity

Entanglement islands, fuzzballs and stretched horizons

Receipt and verification

First computed	2026-07-05T01:19:01.046390Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec3b166b8be96d1812a39882c3f44aad8047adf83b07944def859a446cdcde9e

Aliases

arxiv: 2004.05863 · arxiv_version: 2004.05863v2 · doi: 10.48550/arxiv.2004.05863 · pith_short_12: 5Q5RM24L5FWR · pith_short_16: 5Q5RM24L5FWRQEVD · pith_short_8: 5Q5RM24L

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/5Q5RM24L5FWRQEVDTCBMH5CKVW \
  | 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: ec3b166b8be96d1812a39882c3f44aad8047adf83b07944def859a446cdcde9e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63f3f8adcc20bdc9bb221a5897058dbd404d9e621b73d7d44c1592850f900373",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2020-04-13T10:55:33Z",
    "title_canon_sha256": "50113a3834934eaf2d60835ba6fa7cc019017118a565ee9057ae9ae21acdaed2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.05863",
    "kind": "arxiv",
    "version": 2
  }
}