Pith Number

pith:2NPMXOWK

pith:2025:2NPMXOWKD7KCZHG5VTPKNHTXC6

not attested not anchored not stored refs pending

Compton amplitude and Contact term(s) in the Spinor Helicity formalism

Aakash Kumar, Arnab Rudra, Rahul Shaw

arxiv:2506.12431 v1 · 2025-06-14 · hep-th · hep-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2NPMXOWKD7KCZHG5VTPKNHTXC6}

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.

Receipt and verification

First computed	2026-07-05T11:21:53.229825Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d35ecbbaca1fd42c9cddacdea69e7717aca0c1997fba0e1619b38b724d71545f

Aliases

arxiv: 2506.12431 · arxiv_version: 2506.12431v1 · doi: 10.48550/arxiv.2506.12431 · pith_short_12: 2NPMXOWKD7KC · pith_short_16: 2NPMXOWKD7KCZHG5 · pith_short_8: 2NPMXOWK

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/2NPMXOWKD7KCZHG5VTPKNHTXC6 \
  | 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: d35ecbbaca1fd42c9cddacdea69e7717aca0c1997fba0e1619b38b724d71545f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ca0bfa47924a2bc0227197692781a927047b1717ed09411279a2cb4168fee75",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2025-06-14T10:05:48Z",
    "title_canon_sha256": "845f6ea295ab30394f27245685ba91ec80571647ba59c56bce6fd6f27c15905f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.12431",
    "kind": "arxiv",
    "version": 1
  }
}