Pith Number

pith:W544PNFG

pith:2015:W544PNFGNOWZMP72QOOVEZCLUZ

not attested not anchored not stored refs pending

Lattice QCD calculation of hadronic light-by-light scattering

Georg von Hippel, Harvey B. Meyer, Jeremy Green, Oleksii Gryniuk, Vladimir Pascalutsa

arxiv:1507.01577 v1 · 2015-07-06 · hep-lat · 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{W544PNFGNOWZMP72QOOVEZCLUZ}

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	2026-05-18T01:25:31.499428Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b779c7b4a66bad963ffa839d52644ba64eb09518845d56d0a25947d2142032a7

Aliases

arxiv: 1507.01577 · arxiv_version: 1507.01577v1 · doi: 10.48550/arxiv.1507.01577 · pith_short_12: W544PNFGNOWZ · pith_short_16: W544PNFGNOWZMP72 · pith_short_8: W544PNFG

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/W544PNFGNOWZMP72QOOVEZCLUZ \
  | 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: b779c7b4a66bad963ffa839d52644ba64eb09518845d56d0a25947d2142032a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "250f1d1457aede1b103d85d9b80ac1b88fd8f652dc4ec21b21a68117d46c680c",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-lat",
    "submitted_at": "2015-07-06T19:43:49Z",
    "title_canon_sha256": "2301ee9203847c90843612bdf82fe014b2586d5d4ba971e904d2d9ba41b833d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.01577",
    "kind": "arxiv",
    "version": 1
  }
}