Pith Number

pith:SQ6ZHRRF

pith:2018:SQ6ZHRRFLUU2ZQYCJW6RPJVKUK

not attested not anchored not stored refs pending

Selection rules for light-by-light scattering in strong magnetic field

A.E. Shabad

arxiv:1812.07666 v1 · 2018-12-18 · 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{SQ6ZHRRFLUU2ZQYCJW6RPJVKUK}

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	2026-05-17T23:57:56.386176Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

943d93c6255d29acc3024dbd17a6aaa2859fd1c0418e9c936046031a8c363c79

Aliases

arxiv: 1812.07666 · arxiv_version: 1812.07666v1 · doi: 10.48550/arxiv.1812.07666 · pith_short_12: SQ6ZHRRFLUU2 · pith_short_16: SQ6ZHRRFLUU2ZQYC · pith_short_8: SQ6ZHRRF

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/SQ6ZHRRFLUU2ZQYCJW6RPJVKUK \
  | 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: 943d93c6255d29acc3024dbd17a6aaa2859fd1c0418e9c936046031a8c363c79

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3b4cc567dd94c28d0d5664d57bf53899f4813d70242df0c338b789f83c91c1d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2018-12-18T22:11:28Z",
    "title_canon_sha256": "034850cb5f9c98a294ad451d022ab8a2ca701f829bcaa923c72bc99ee8aa2544"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.07666",
    "kind": "arxiv",
    "version": 1
  }
}