Pith Number

pith:7TJYT2LR

pith:2021:7TJYT2LROVORG3KWHDRG3TD2JG

not attested not anchored not stored refs pending

N-photon amplitudes in a plane-wave background

Christian Schubert, James P. Edwards

arxiv:2105.08173 v1 · 2021-05-17 · 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{7TJYT2LROVORG3KWHDRG3TD2JG}

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	2026-07-05T03:19:11.840212Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fcd389e971755d136d5638e26dcc7a49a7bf36cef21e0f073976c767391b2843

Aliases

arxiv: 2105.08173 · arxiv_version: 2105.08173v1 · doi: 10.48550/arxiv.2105.08173 · pith_short_12: 7TJYT2LROVOR · pith_short_16: 7TJYT2LROVORG3KW · pith_short_8: 7TJYT2LR

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/7TJYT2LROVORG3KWHDRG3TD2JG \
  | 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: fcd389e971755d136d5638e26dcc7a49a7bf36cef21e0f073976c767391b2843

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08b7e50891086ff24a4b4db3f36fdfc53b3eef9577c85f0202d28e782dc5350d",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2021-05-17T21:25:51Z",
    "title_canon_sha256": "7b280ed781e3bb35e56c27835fc9012746ae0bde36b475b1c148206277c1c6de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.08173",
    "kind": "arxiv",
    "version": 1
  }
}