Pith Number

pith:PFS6IN4I

pith:2021:PFS6IN4IGNICREEBWU7KHZNTNQ

not attested not anchored not stored refs pending

The pion-photon transition form factor at two loops in QCD

Jing Gao, Tobias Huber, Yao Ji, Yu-Ming Wang

arxiv:2110.14776 v1 · 2021-10-27 · 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{PFS6IN4IGNICREEBWU7KHZNTNQ}

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	2026-07-05T03:26:47.039695Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7965e437883350289081b53ea3e5b36c3ec85abb26697555c5dc83137b18dd91

Aliases

arxiv: 2110.14776 · arxiv_version: 2110.14776v1 · doi: 10.48550/arxiv.2110.14776 · pith_short_12: PFS6IN4IGNIC · pith_short_16: PFS6IN4IGNICREEB · pith_short_8: PFS6IN4I

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/PFS6IN4IGNICREEBWU7KHZNTNQ \
  | 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: 7965e437883350289081b53ea3e5b36c3ec85abb26697555c5dc83137b18dd91

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2da71b653a146b630d56f87657455c4842d4041e08f35aeba3bb97bc1211204",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2021-10-27T21:13:09Z",
    "title_canon_sha256": "5d5edc03e4afe460acd615a480b0d15f02608868768868d47cfb2d1f37f8c949"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.14776",
    "kind": "arxiv",
    "version": 1
  }
}