Pith Number

pith:EHP4VEND

pith:2020:EHP4VENDI4H4CM3SGLFWLBPX2V

not attested not anchored not stored refs pending

On the Lagrangian formulation of the double copy to cubic order

Dario Francia, Pietro Ferrero

arxiv:2012.00713 v3 · 2020-12-01 · 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{EHP4VENDI4H4CM3SGLFWLBPX2V}

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 Double Copy of Maximal Supersymmetry in $D=4$

Receipt and verification

First computed	2026-07-05T02:23:20.204552Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21dfca91a3470fc1337232cb6585f7d56ef0e21a4ecd3008e2645e553ac689de

Aliases

arxiv: 2012.00713 · arxiv_version: 2012.00713v3 · doi: 10.48550/arxiv.2012.00713 · pith_short_12: EHP4VENDI4H4 · pith_short_16: EHP4VENDI4H4CM3S · pith_short_8: EHP4VEND

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/EHP4VENDI4H4CM3SGLFWLBPX2V \
  | 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: 21dfca91a3470fc1337232cb6585f7d56ef0e21a4ecd3008e2645e553ac689de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50d8bc7be1d9c06bcbdfc0744e73f00c35db7b95668d2ba20fe34816b8590b47",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2020-12-01T18:18:01Z",
    "title_canon_sha256": "35795542f2a7e2865e9334cd1cd821262d4ad2dcb9900391034d9ba45dcfafea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.00713",
    "kind": "arxiv",
    "version": 3
  }
}