Pith Number

pith:L5M5NAJK

pith:2022:L5M5NAJKUDPIDNJC2VGUBSOLKI

not attested not anchored not stored refs pending

Quantum Extremal Islands Made Easy, Part IV: Massive Black Holes on the Brane

Guglielmo Grimaldi, Juan Hernandez, Robert C. Myers

arxiv:2202.00679 v2 · 2022-02-01 · 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{L5M5NAJKUDPIDNJC2VGUBSOLKI}

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

Quantum corrected black hole microstates and entropy

Receipt and verification

First computed	2026-07-05T04:07:07.418534Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f59d6812aa0de81b522d54d40c9cb52060ea62c9fe7a3b43a0eb8bc44a531e2

Aliases

arxiv: 2202.00679 · arxiv_version: 2202.00679v2 · doi: 10.48550/arxiv.2202.00679 · pith_short_12: L5M5NAJKUDPI · pith_short_16: L5M5NAJKUDPIDNJC · pith_short_8: L5M5NAJK

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/L5M5NAJKUDPIDNJC2VGUBSOLKI \
  | 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: 5f59d6812aa0de81b522d54d40c9cb52060ea62c9fe7a3b43a0eb8bc44a531e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "122a7a2ae20183e965f432e022e5ba4d1cbdcc47dfc8c9e709e49db43fc34685",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2022-02-01T19:00:00Z",
    "title_canon_sha256": "c03c9233cc242e46dca13938122d1717715f82a4995141b504ca66b7b5e983cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.00679",
    "kind": "arxiv",
    "version": 2
  }
}