Pith Number

pith:6IKMGFZW

pith:2025:6IKMGFZWRE3PWVBFW6NVWL2Z6O

not attested not anchored not stored refs pending

Gravito-electromagnetism, Kerr-Schild and Weyl double copies; a unified perspective

Brian Kent, Elena C\'aceres, Harita Palani Balaji

arxiv:2503.02949 v2 · 2025-03-04 · 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{6IKMGFZWRE3PWVBFW6NVWL2Z6O}

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

Diffeomorphism-Like Symmetry in Gravitoelectromagnetism

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	2026-07-05T10:59:06.503887Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f214c317368936fb5425b79b5b2f59f3bccf590a77d4654a014e1c332fc750c5

Aliases

arxiv: 2503.02949 · arxiv_version: 2503.02949v2 · doi: 10.48550/arxiv.2503.02949 · pith_short_12: 6IKMGFZWRE3P · pith_short_16: 6IKMGFZWRE3PWVBF · pith_short_8: 6IKMGFZW

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/6IKMGFZWRE3PWVBFW6NVWL2Z6O \
  | 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: f214c317368936fb5425b79b5b2f59f3bccf590a77d4654a014e1c332fc750c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05c5b644fe86a57398943ebd687fed0630c82f43d446febf3ff152b515c6df9d",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2025-03-04T19:12:00Z",
    "title_canon_sha256": "1fe6fc9cd35dc586be286a6cc3a8504036e0ca6ad13c66fae244cc1b869de74b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.02949",
    "kind": "arxiv",
    "version": 2
  }
}