Pith Number

pith:UYEZ4HTM

pith:2014:UYEZ4HTMU5YYULPCS7AVF5MLGV

not attested not anchored not stored refs pending

Wavefronts and Light Cones for Kerr Spacetimes

Daria Adis, Francisco Frutos-Alfaro, Frank Grave, Thomas Mueller

arxiv:1412.8068 v1 · 2014-12-27 · 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{UYEZ4HTMU5YYULPCS7AVF5MLGV}

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	2026-05-18T02:30:24.275579Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6099e1e6ca7718a2de297c152f58b3555c0f3fc4c46cac04eaa372d995ab21f

Aliases

arxiv: 1412.8068 · arxiv_version: 1412.8068v1 · doi: 10.48550/arxiv.1412.8068 · pith_short_12: UYEZ4HTMU5YY · pith_short_16: UYEZ4HTMU5YYULPC · pith_short_8: UYEZ4HTM

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/UYEZ4HTMU5YYULPCS7AVF5MLGV \
  | 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: a6099e1e6ca7718a2de297c152f58b3555c0f3fc4c46cac04eaa372d995ab21f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2306ea3f84b7c52fd48f77da1dcbb28269301582534852a65f1dbdb1a05639bc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2014-12-27T16:46:12Z",
    "title_canon_sha256": "45dd79261e8d29a8c2613b5c0c1416aa04e47bf80af98e5d5ad136a24ad565d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.8068",
    "kind": "arxiv",
    "version": 1
  }
}