pith. sign in
Pith Number

pith:ZZ3MWQJK

pith:2015:ZZ3MWQJKWXR6XSI3GD6GRXRGD4
not attested not anchored not stored refs pending

A Wick-rotatable metric is purely electric

Christer Helleland, Sigbjorn Hervik

arxiv:1504.01244 v2 · 2015-04-06 · math-ph · gr-qc · math.DG · math.MP

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{ZZ3MWQJKWXR6XSI3GD6GRXRGD4}

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 2026-05-18T00:48:33.229792Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

ce76cb412ab5e3ebc91b30fc68de261f1b8b3b24c9ba97590a6a82ab79a1d1cc

Aliases

arxiv: 1504.01244 · arxiv_version: 1504.01244v2 · doi: 10.48550/arxiv.1504.01244 · pith_short_12: ZZ3MWQJKWXR6 · pith_short_16: ZZ3MWQJKWXR6XSI3 · pith_short_8: ZZ3MWQJK
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/ZZ3MWQJKWXR6XSI3GD6GRXRGD4 \
  | 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: ce76cb412ab5e3ebc91b30fc68de261f1b8b3b24c9ba97590a6a82ab79a1d1cc
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "529842d9728899f96e56e612a45e8bba644275ae19dc59cb633c54bb97080096",
    "cross_cats_sorted": [
      "gr-qc",
      "math.DG",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2015-04-06T09:41:39Z",
    "title_canon_sha256": "c4e8bd99fb5c36621bc06ae02f2c199b4ba6d2640465f07af3eed01e500c9341"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.01244",
    "kind": "arxiv",
    "version": 2
  }
}