Pith Number

pith:HP3G7XHL

pith:2005:HP3G7XHLYP7R227D6P5FZT6FTE

not attested not anchored not stored refs pending

Black hole entropy: inside or out?

Carlo Rovelli, Donald Marolf, Ted Jacobson

arxiv:hep-th/0501103 v1 · 2005-01-14 · 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{HP3G7XHLYP7R227D6P5FZT6FTE}

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

Aspects of the Black Hole Interior Volume and Entropy

Receipt and verification

First computed	2026-07-04T16:55:57.611941Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3bf66fdcebc3ff1d6be3f3fa5ccfc59925b56112db6b5ba7d2a9d9284a5734b8

Aliases

arxiv: hep-th/0501103 · arxiv_version: hep-th/0501103v1 · doi: 10.48550/arxiv.hep-th/0501103 · pith_short_12: HP3G7XHLYP7R · pith_short_16: HP3G7XHLYP7R227D · pith_short_8: HP3G7XHL

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/HP3G7XHLYP7R227D6P5FZT6FTE \
  | 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: 3bf66fdcebc3ff1d6be3f3fa5ccfc59925b56112db6b5ba7d2a9d9284a5734b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2b2ae3d40728f471a95d121ef9ad86aad39c2c3018e2700761fbe870337ca69",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2005-01-14T04:56:17Z",
    "title_canon_sha256": "cd04b127a42010b0f404bd78e14ae5dafc017715550a86d911e1e8050a6b9cf3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0501103",
    "kind": "arxiv",
    "version": 1
  }
}