Pith Number

pith:O4L4X74L

pith:2005:O4L4X74LCZFCV2E4E4INCINIGH

not attested not anchored not stored refs pending

Two-Loop Bhabha Scattering in QED

A. Ferroglia, R. Bonciani

arxiv:hep-ph/0507047 v1 · 2005-07-04 · 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{O4L4X74LCZFCV2E4E4INCINIGH}

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	2026-05-18T03:24:29.114004Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7717cbff8b164a2ae89c2710d121a831f9bc212bdb00058fc82fdc8dbc371845

Aliases

arxiv: hep-ph/0507047 · arxiv_version: hep-ph/0507047v1 · doi: 10.48550/arxiv.hep-ph/0507047 · pith_short_12: O4L4X74LCZFC · pith_short_16: O4L4X74LCZFCV2E4 · pith_short_8: O4L4X74L

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/O4L4X74LCZFCV2E4E4INCINIGH \
  | 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: 7717cbff8b164a2ae89c2710d121a831f9bc212bdb00058fc82fdc8dbc371845

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d1f75a01bbad63bb46e9f583108673a84ba2a5e1c02bdc462e5c781e1ff76f89",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "2005-07-04T18:27:39Z",
    "title_canon_sha256": "379c6868c98595a831c5eebb5241bf3b64c3d1a24cb9b2c2702aa8592da787b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/0507047",
    "kind": "arxiv",
    "version": 1
  }
}