Pith Number

pith:O27PDJSU

pith:2015:O27PDJSUE4EBF4DW5TXSM25ZUK

not attested not anchored not stored refs pending

The classical double copy for Taub-NUT spacetime

A. Luna, C. D. White, D. O'Connell, R. Monteiro

arxiv:1507.01869 v2 · 2015-07-07 · hep-th · gr-qc · hep-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O27PDJSUE4EBF4DW5TXSM25ZUK}

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

4 papers in Pith

Hawking Radiation meets the Double Copy

The Penrose Transform and the Kerr-Schild double copy

Black Hole Interiors as a Laboratory for Time-Dependent Classical Double Copy

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

Receipt and verification

First computed	2026-05-18T01:24:54.161244Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76bef1a654270812f076ecef266bb9a2a20b06b6587d625b7006bfe82c1d03f2

Aliases

arxiv: 1507.01869 · arxiv_version: 1507.01869v2 · doi: 10.48550/arxiv.1507.01869 · pith_short_12: O27PDJSUE4EB · pith_short_16: O27PDJSUE4EBF4DW · pith_short_8: O27PDJSU

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/O27PDJSUE4EBF4DW5TXSM25ZUK \
  | 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: 76bef1a654270812f076ecef266bb9a2a20b06b6587d625b7006bfe82c1d03f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0af991c057d0bb4e2fc30d9d74fa01759a7e68c33684975863e78a969fd7b39d",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2015-07-07T16:52:53Z",
    "title_canon_sha256": "a35d540388e807570df877eb99ab3ae31baacabfb6f563f930e6bfc7dcf858bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.01869",
    "kind": "arxiv",
    "version": 2
  }
}