Pith Number

pith:CL4QWMEQ

pith:2021:CL4QWMEQ653AVJ4IBEZLPX62UH

not attested not anchored not stored refs pending

$\pi-\pi$ scattering, QED and finite-volume quantization

Joseph Karpie, Norman Christ, Tuan Nguyen, Xu Feng

arxiv:2111.04668 v1 · 2021-11-08 · hep-lat

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CL4QWMEQ653AVJ4IBEZLPX62UH}

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	2026-07-05T04:52:36.962564Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12f90b3090f7760aa7880932b7dfdaa1c36b63a41af0daebe76826225ac6d2a7

Aliases

arxiv: 2111.04668 · arxiv_version: 2111.04668v1 · doi: 10.48550/arxiv.2111.04668 · pith_short_12: CL4QWMEQ653A · pith_short_16: CL4QWMEQ653AVJ4I · pith_short_8: CL4QWMEQ

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/CL4QWMEQ653AVJ4IBEZLPX62UH \
  | 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: 12f90b3090f7760aa7880932b7dfdaa1c36b63a41af0daebe76826225ac6d2a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d03338b0a9d5e0bfa6f055b6ea7dbae12528fd5ece8b9cbe28f17a5e1ad85f6",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "hep-lat",
    "submitted_at": "2021-11-08T17:37:09Z",
    "title_canon_sha256": "d532b8c9b3cb8dc15fb115e0f884a3ce91a41666d51c6d053e81fda62d617e97"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.04668",
    "kind": "arxiv",
    "version": 1
  }
}