Pith Number

pith:HV2IMFDC

pith:2023:HV2IMFDC5Z742KYX5PZON44QBS

not attested not anchored not stored refs pending

Self-Dual Fields on Self-Dual Backgrounds and the Double Copy

Bill Spence, Graham R. Brown, Joshua Gowdy

arxiv:2307.11063 v2 · 2023-07-20 · 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{HV2IMFDC5Z742KYX5PZON44QBS}

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

2 papers in Pith

Scattering and depletion in a flying focus from conformal transformations

The Penrose Transform and the Kerr-Schild double copy

Receipt and verification

First computed	2026-07-05T07:15:57.661639Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d74861462ee7fcd2b17ebf2e6f3900cadd2c69a9da46946082e2681310cef80

Aliases

arxiv: 2307.11063 · arxiv_version: 2307.11063v2 · doi: 10.48550/arxiv.2307.11063 · pith_short_12: HV2IMFDC5Z74 · pith_short_16: HV2IMFDC5Z742KYX · pith_short_8: HV2IMFDC

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/HV2IMFDC5Z742KYX5PZON44QBS \
  | 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: 3d74861462ee7fcd2b17ebf2e6f3900cadd2c69a9da46946082e2681310cef80

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0d32be7bfa7973c5f7439df20174e9b01dee5a2f2fbc63f96f76c550b941989",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2023-07-20T17:43:30Z",
    "title_canon_sha256": "2c9803321f1bb5272466f1bd2245e37e2004344dc1c8c9c35fe66284b7c01461"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2307.11063",
    "kind": "arxiv",
    "version": 2
  }
}