Pith Number

pith:EBC6A3K7

pith:2021:EBC6A3K75LQOTS4DN4IJTGFQNA

not attested not anchored not stored refs pending

Quadratic-in-Spin Hamiltonian at $\mathcal{O}(G^2)$ from Scattering Amplitudes

Andres Luna, Dimitrios Kosmopoulos

arxiv:2102.10137 v1 · 2021-02-19 · hep-th · gr-qc

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EBC6A3K75LQOTS4DN4IJTGFQNA}

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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

4 papers in Pith

Unexpected Symmetries of Kerr Black Hole Scattering

Hidden simplicity in the scattering for neutron stars and black holes

Generalized Carter & R\"udiger Constants of $\sqrt{\text{Kerr}}$

Gravitational multipoles from scattering amplitudes in higher dimensions

Receipt and verification

First computed	2026-07-05T03:01:14.719686Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2045e06d5feae0e9cb836f109998b06808b1a0dcda67559b2b5155320209967b

Aliases

arxiv: 2102.10137 · arxiv_version: 2102.10137v1 · doi: 10.48550/arxiv.2102.10137 · pith_short_12: EBC6A3K75LQO · pith_short_16: EBC6A3K75LQOTS4D · pith_short_8: EBC6A3K7

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/EBC6A3K75LQOTS4DN4IJTGFQNA \
  | 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: 2045e06d5feae0e9cb836f109998b06808b1a0dcda67559b2b5155320209967b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "321a795f12ea30a5fc62a80039f51d26a132983016b777dce409f98291049ff2",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2021-02-19T19:52:15Z",
    "title_canon_sha256": "04ab18c588ed214e96bfb7da5e3c98ddd1001efd50270c114ed3fdc626580082"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.10137",
    "kind": "arxiv",
    "version": 1
  }
}