Pith Number

pith:IM52MEHF

pith:1993:IM52MEHFX4TCFLFNE33FJNEVGM

not attested not anchored not stored refs pending

Some Speculations about Black Hole Entropy in String Theory

Leonard Susskind

arxiv:hep-th/9309145 v2 · 1993-09-27 · 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{IM52MEHFX4TCFLFNE33FJNEVGM}

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

9 papers in Pith

The magic of the gravitational vacuum

Non-linear evolution of five-dimensional black strings in effective field theory

Emergent Closed Universes in Symmetric Orbifold CFTs

Lectures on entanglement entropy in field theory and holography

ISCOs and the weak gravity conjecture bound in higher derivative theories of gravity

Receipt and verification

First computed	2026-07-04T15:07:34.778777Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

433ba610e5bf2622acad26f654b4953307e4c9747d735e995dbcdfe9834dd1b3

Aliases

arxiv: hep-th/9309145 · arxiv_version: hep-th/9309145v2 · doi: 10.48550/arxiv.hep-th/9309145 · pith_short_12: IM52MEHFX4TC · pith_short_16: IM52MEHFX4TCFLFN · pith_short_8: IM52MEHF

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/IM52MEHFX4TCFLFNE33FJNEVGM \
  | 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: 433ba610e5bf2622acad26f654b4953307e4c9747d735e995dbcdfe9834dd1b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81d047d1ebcea5c3c595c45395b48527f18c0b1874491dffa9e6dec56dfd0264",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1993-09-27T20:22:52Z",
    "title_canon_sha256": "9b081755eda3bd56f1a87dd458b03eab66edd847fb1aad79275c42c8c4992d9d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9309145",
    "kind": "arxiv",
    "version": 2
  }
}