Pith Number

pith:NZY543CK

pith:2024:NZY543CKKOL6I72EURBJPZECEW

not attested not anchored not stored refs pending

Weyl double copy in type D spacetime in four and five dimensions

Jun-Bao Wu, Pu-Jian Mao, Weicheng Zhao

arxiv:2411.04774 v2 · 2024-11-07 · hep-th · 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{NZY543CKKOL6I72EURBJPZECEW}

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

3 papers in Pith

Weyl double copy in Lifshitz spacetimes

The Penrose Transform and the Kerr-Schild double copy

Untwisting the double copy: the zeroth copy as an optical seed

Receipt and verification

First computed	2026-07-05T10:23:57.737578Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e71de6c4a5397e47f44a44297e48225b0e6a1fdaea8fee55ad8edce98d9624f

Aliases

arxiv: 2411.04774 · arxiv_version: 2411.04774v2 · doi: 10.48550/arxiv.2411.04774 · pith_short_12: NZY543CKKOL6 · pith_short_16: NZY543CKKOL6I72E · pith_short_8: NZY543CK

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/NZY543CKKOL6I72EURBJPZECEW \
  | 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: 6e71de6c4a5397e47f44a44297e48225b0e6a1fdaea8fee55ad8edce98d9624f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b0d95207f79cd0d850e0e497b7f01fc48a95997fd4486cd654a5325a649c1cb",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2024-11-07T15:15:26Z",
    "title_canon_sha256": "e92e2b63449d0345241d01ba87192fbe6e88ac9032913027f17efa256cacda64"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2411.04774",
    "kind": "arxiv",
    "version": 2
  }
}