Pith Number

pith:KAIEIUPT

pith:2018:KAIEIUPTBKYBICC5HAUUV6YIEG

not attested not anchored not stored refs pending

A new singularity theorem for black holes which allows chronology violation in the interior

Martin Lesourd

arxiv:1804.01893 v5 · 2018-04-05 · 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{KAIEIUPTBKYBICC5HAUUV6YIEG}

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	2026-05-17T23:59:09.334312Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50104451f30ab014085d38294afb082194b872deaef1e3ca96e9e13f80f0ccc6

Aliases

arxiv: 1804.01893 · arxiv_version: 1804.01893v5 · doi: 10.48550/arxiv.1804.01893 · pith_short_12: KAIEIUPTBKYB · pith_short_16: KAIEIUPTBKYBICC5 · pith_short_8: KAIEIUPT

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/KAIEIUPTBKYBICC5HAUUV6YIEG \
  | 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: 50104451f30ab014085d38294afb082194b872deaef1e3ca96e9e13f80f0ccc6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba242ba86833431274c9f08701a9591d7f7807ee2c84aa7684e34277d54b5315",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-04-05T15:02:24Z",
    "title_canon_sha256": "5492413de9823a1d1a0ee792ca207b76482c33b6fff17672aeebd7b96161a519"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.01893",
    "kind": "arxiv",
    "version": 5
  }
}