Pith. sign in
Pith Number

pith:ILXY6SDF

pith:2022:ILXY6SDFGDELZ5OXGI2PBVKKY7
not attested not anchored not stored refs pending

The SAGEX Review on Scattering Amplitudes, Chapter 2: An Invitation to Color-Kinematics Duality and the Double Copy

Henrik Johansson, John Joseph Carrasco, Marco Chiodaroli, Radu Roiban, Zvi Bern

arxiv:2203.13013 v3 · 2022-03-24 · hep-th · gr-qc · hep-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{ILXY6SDFGDELZ5OXGI2PBVKKY7}

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

6 papers in Pith

Receipt and verification
First computed 2026-07-05T07:51:23.558244Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

42ef8f486530c8bcf5d73234f0d54ac7d2f9008a3da53694ccc7fb8498c72866

Aliases

arxiv: 2203.13013 · arxiv_version: 2203.13013v3 · doi: 10.48550/arxiv.2203.13013 · pith_short_12: ILXY6SDFGDEL · pith_short_16: ILXY6SDFGDELZ5OX · pith_short_8: ILXY6SDF
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/ILXY6SDFGDELZ5OXGI2PBVKKY7 \
  | 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: 42ef8f486530c8bcf5d73234f0d54ac7d2f9008a3da53694ccc7fb8498c72866
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "6ba2484ec18e57f3d9836faa4fed451c7daa4fa94ed73db3b8f2d23daf64c067",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2022-03-24T12:00:17Z",
    "title_canon_sha256": "61c9e83e04b28b3d413c6ddbbfe4eaf1ac5c176cde6961dafce6aa0f09831f8f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.13013",
    "kind": "arxiv",
    "version": 3
  }
}