Pith Number

pith:4WUOYPLZ

pith:2018:4WUOYPLZKYRSA5YHCIT4FVO25R

not attested not anchored not stored refs pending

Jacob Bekenstein and the Development of Black Hole Thermodynamics

Robert M. Wald

arxiv:1805.02302 v1 · 2018-05-07 · physics.hist-ph · gr-qc · 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{4WUOYPLZKYRSA5YHCIT4FVO25R}

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.

Receipt and verification

First computed	2026-05-18T00:16:40.243339Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5a8ec3d7956232077071227c2d5daec4306660d23b95825a90ae4f826983fe1

Aliases

arxiv: 1805.02302 · arxiv_version: 1805.02302v1 · doi: 10.48550/arxiv.1805.02302 · pith_short_12: 4WUOYPLZKYRS · pith_short_16: 4WUOYPLZKYRSA5YH · pith_short_8: 4WUOYPLZ

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/4WUOYPLZKYRSA5YHCIT4FVO25R \
  | 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: e5a8ec3d7956232077071227c2d5daec4306660d23b95825a90ae4f826983fe1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e20e0cdd712f59726d32171e91da78bce3ab4571325dd36cdbbf9c23dd458627",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2018-05-07T00:47:39Z",
    "title_canon_sha256": "de1731dc554f21a995e214d56a068a00cdc05b23baf5b07298fecb5b7f5ae0b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.02302",
    "kind": "arxiv",
    "version": 1
  }
}