Pith. sign in
Pith Number

pith:N3NQB3EU

pith:1997:N3NQB3EUPIRNHEWIR54DCZS34P
not attested not anchored not stored refs pending

How Wrinkled is the Surface of a Black Hole?

Rafael D. Sorkin (Universidad Nacional Autonoma de Mexico, Syracuse University)

arxiv:gr-qc/9701056 v1 · 1997-01-26 · gr-qc · hep-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{N3NQB3EUPIRNHEWIR54DCZS34P}

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

Receipt and verification
First computed 2026-07-04T14:26:06.317914Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

6edb00ec947a22d392c88f7831665be3e9cf96f95ed0f5ee244a7235d8c55dc9

Aliases

arxiv: gr-qc/9701056 · arxiv_version: gr-qc/9701056v1 · doi: 10.48550/arxiv.gr-qc/9701056 · pith_short_12: N3NQB3EUPIRN · pith_short_16: N3NQB3EUPIRNHEWI · pith_short_8: N3NQB3EU
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/N3NQB3EUPIRNHEWIR54DCZS34P \
  | 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: 6edb00ec947a22d392c88f7831665be3e9cf96f95ed0f5ee244a7235d8c55dc9
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "bd33d37fb708cae1bb9071e94cb1398c297775fba47a9452dd760d3b1c2849d5",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1997-01-26T03:29:33Z",
    "title_canon_sha256": "e8e8bd1f11fa946b51183f511788ebaafa7ffe12965b76ea637d205429d3c907"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9701056",
    "kind": "arxiv",
    "version": 1
  }
}