Pith Number

pith:NFWPZ3IB

pith:2021:NFWPZ3IBIQH2AR7RXPHNUJUHXY

not attested not anchored not stored refs pending

From the BTZ black hole to JT gravity: geometrizing the island

Erik Verlinde, Evita Verheijden

arxiv:2102.00922 v4 · 2021-02-01 · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NFWPZ3IBIQH2AR7RXPHNUJUHXY}

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

JT gravity and deformed CFTs

Receipt and verification

First computed	2026-07-05T03:36:01.298471Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

696cfced01440fa047f1bbceda2687be3a2fa367aeeab22e19729b694db6c33c

Aliases

arxiv: 2102.00922 · arxiv_version: 2102.00922v4 · doi: 10.48550/arxiv.2102.00922 · pith_short_12: NFWPZ3IBIQH2 · pith_short_16: NFWPZ3IBIQH2AR7R · pith_short_8: NFWPZ3IB

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/NFWPZ3IBIQH2AR7RXPHNUJUHXY \
  | 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: 696cfced01440fa047f1bbceda2687be3a2fa367aeeab22e19729b694db6c33c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e12b55eef0ce9a9b81059c14429d2ee4997e5409019b341cf4afc8807b0ee1b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2021-02-01T15:42:38Z",
    "title_canon_sha256": "b112962180dd6afe5b98b17a682937b0c08f370cdf694d329a1e9b101771556f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.00922",
    "kind": "arxiv",
    "version": 4
  }
}