Pith Number

pith:ZSTGU62F

pith:2019:ZSTGU62FJLL6BNMGFTQMW3IMKT

not attested not anchored not stored refs pending

On the absence of conformally flat slicings of the Kerr spacetime

Antonio De Felice, Fran\c{c}ois Larrouturou, Michele Oliosi, Shinji Mukohyama

arxiv:1908.03456 v2 · 2019-08-09 · 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{ZSTGU62FJLL6BNMGFTQMW3IMKT}

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	2026-07-05T00:28:11.706515Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cca66a7b454ad7e0b5862ce0cb6d0c54ee6858aa609fc577ab4b82704bad81b6

Aliases

arxiv: 1908.03456 · arxiv_version: 1908.03456v2 · doi: 10.48550/arxiv.1908.03456 · pith_short_12: ZSTGU62FJLL6 · pith_short_16: ZSTGU62FJLL6BNMG · pith_short_8: ZSTGU62F

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/ZSTGU62FJLL6BNMGFTQMW3IMKT \
  | 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: cca66a7b454ad7e0b5862ce0cb6d0c54ee6858aa609fc577ab4b82704bad81b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab2d3d88e33cbc6600bb03ae2d0e0a45422f8f8fa1d0acb0c625b398a73fe10b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-08-09T13:52:17Z",
    "title_canon_sha256": "f9b80e17eab2fdd42e6f6cb40f1ac5623a24de49fe509b53e266764940624422"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.03456",
    "kind": "arxiv",
    "version": 2
  }
}