Pith Number

pith:FQLPPLHK

pith:2022:FQLPPLHK4TRLSVS5JQOAO55T67

not attested not anchored not stored refs pending

Mini-twistors and the Cotton Double Copy

Chris D. White, Justinas Rumbutis, Mariana Carrillo Gonz\'alez, Nathan Moynihan, William T. Emond

arxiv:2212.04783 v1 · 2022-12-09 · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FQLPPLHK4TRLSVS5JQOAO55T67}

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

1 paper in Pith

The Penrose Transform and the Kerr-Schild double copy

Receipt and verification

First computed	2026-07-05T05:23:51.766085Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c16f7aceae4e2b9565d4c1c0777b3f7f1af1e237d366e1560be3b3637d521db

Aliases

arxiv: 2212.04783 · arxiv_version: 2212.04783v1 · doi: 10.48550/arxiv.2212.04783 · pith_short_12: FQLPPLHK4TRL · pith_short_16: FQLPPLHK4TRLSVS5 · pith_short_8: FQLPPLHK

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/FQLPPLHK4TRLSVS5JQOAO55T67 \
  | 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: 2c16f7aceae4e2b9565d4c1c0777b3f7f1af1e237d366e1560be3b3637d521db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e4eebc2ec04ac7f6ffc3c2568e4882e57b20869ef98665b931eaad4f06cc707",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2022-12-09T11:24:20Z",
    "title_canon_sha256": "b81f813495b2bee77d51abff46654e6c471317033a1829461211aa3d9ba9cbdf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2212.04783",
    "kind": "arxiv",
    "version": 1
  }
}