Pith Number

pith:72OJLY2Y

pith:2017:72OJLY2YKWQXUROE2EWNJC5UWM

not attested not anchored not stored refs pending

Nonexistence of Degenerate Horizons in Static Vacua and Black Hole Uniqueness

Eric Woolgar, Marcus Khuri

arxiv:1710.09669 v2 · 2017-10-26 · gr-qc · hep-th · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{72OJLY2YKWQXUROE2EWNJC5UWM}

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	2026-05-18T00:25:52.203156Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe9c95e35855a17a45c4d12cd48bb4b33662aef55b430cd258230088419affac

Aliases

arxiv: 1710.09669 · arxiv_version: 1710.09669v2 · doi: 10.48550/arxiv.1710.09669 · pith_short_12: 72OJLY2YKWQX · pith_short_16: 72OJLY2YKWQXUROE · pith_short_8: 72OJLY2Y

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/72OJLY2YKWQXUROE2EWNJC5UWM \
  | 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: fe9c95e35855a17a45c4d12cd48bb4b33662aef55b430cd258230088419affac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a031ad3bdedfc8488c6cd86dd2bd4c4f6d7007f6efeabd583ca8e6e2cbc2de54",
    "cross_cats_sorted": [
      "hep-th",
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-10-26T12:53:56Z",
    "title_canon_sha256": "9d3ca1ba580af0d3b47032e724de213eab8626a2f947470905a4f3b1477e3129"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.09669",
    "kind": "arxiv",
    "version": 2
  }
}