Pith. sign in
Pith Number

pith:Y2FROY5Q

pith:2019:Y2FROY5QEFPGXF4YJ7HKAGCLIK
not attested not anchored not stored refs pending

The Double Copy of Electric-Magnetic Duality

Donal O'Connell, Uri Kol, Yu-tin Huang

arxiv:1911.06318 v2 · 2019-11-14 · hep-th · gr-qc · hep-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{Y2FROY5QEFPGXF4YJ7HKAGCLIK}

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

Receipt and verification
First computed 2026-07-05T01:28:05.137478Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

c68b1763b0215e6b97984fcea0184b42825fcb92017434b5741b4d8fc02625c4

Aliases

arxiv: 1911.06318 · arxiv_version: 1911.06318v2 · doi: 10.48550/arxiv.1911.06318 · pith_short_12: Y2FROY5QEFPG · pith_short_16: Y2FROY5QEFPGXF4Y · pith_short_8: Y2FROY5Q
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/Y2FROY5QEFPGXF4YJ7HKAGCLIK \
  | 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: c68b1763b0215e6b97984fcea0184b42825fcb92017434b5741b4d8fc02625c4
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "7a1b188a4a8d24a4bd13b8ed9023c21e569acf58d942ae20946b9ed7d15f7478",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2019-11-14T18:59:23Z",
    "title_canon_sha256": "5f270b2b482cc2363e30c4b30e5835d65ef894f7859de2dc5999de9e06def3a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.06318",
    "kind": "arxiv",
    "version": 2
  }
}