Pith Number

pith:2KAQHYMW

pith:2017:2KAQHYMWWJ7Y7ACWNQNPQO6MSF

not attested not anchored not stored refs pending

The Kerr-Schild double copy in curved spacetime

Andr\'es Luna, Chris D. White, Nadia Bahjat-Abbas

arxiv:1710.01953 v1 · 2017-10-05 · 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{2KAQHYMWWJ7Y7ACWNQNPQO6MSF}

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

5 papers in Pith

Hawking Radiation meets the Double Copy

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

Kerr-Schild Double Copy of the Randall-Sundrum Black String

Receipt and verification

First computed	2026-05-18T00:25:52.723189Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d28103e196b27f8f80566c1af83bcc91519f13e0bc8cedae761a1adb82c93e59

Aliases

arxiv: 1710.01953 · arxiv_version: 1710.01953v1 · doi: 10.48550/arxiv.1710.01953 · pith_short_12: 2KAQHYMWWJ7Y · pith_short_16: 2KAQHYMWWJ7Y7ACW · pith_short_8: 2KAQHYMW

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/2KAQHYMWWJ7Y7ACWNQNPQO6MSF \
  | 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: d28103e196b27f8f80566c1af83bcc91519f13e0bc8cedae761a1adb82c93e59

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f1e1d7ed4d39d887c62744e628378fa5d722f1aa9ecaf8b2afe7f923f473c8d",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2017-10-05T10:31:36Z",
    "title_canon_sha256": "a7dc957cbc0a9153e9a8a35fb717c1ba0d4f95defd0ac4f2010274874ecbaca3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.01953",
    "kind": "arxiv",
    "version": 1
  }
}