Pith Number

pith:UCIKYWQS

pith:2008:UCIKYWQSCC7LNYYX6PL6SV2AYN

not attested not anchored not stored refs pending

Two--Loop Massive Operator Matrix Elements for Unpolarized Heavy Flavor Production to $O(\epsilon)

Carsten Schneider, Isabella Bierenbaum, Johannes Bl\"umlein, Sebastian Klein

arxiv:0803.0273 v1 · 2008-03-03 · hep-ph · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UCIKYWQSCC7LNYYX6PL6SV2AYN}

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	2026-07-04T15:29:51.719981Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a090ac5a1210beb6e317f3d7e95740c36174a8a62bc7721ce80df957fc45b7f3

Aliases

arxiv: 0803.0273 · arxiv_version: 0803.0273v1 · doi: 10.48550/arxiv.0803.0273 · pith_short_12: UCIKYWQSCC7L · pith_short_16: UCIKYWQSCC7LNYYX · pith_short_8: UCIKYWQS

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/UCIKYWQSCC7LNYYX6PL6SV2AYN \
  | 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: a090ac5a1210beb6e317f3d7e95740c36174a8a62bc7721ce80df957fc45b7f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "567481c35ea85896310217b2c782571b9825d10e7babdd9b09a8b8097c496d31",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2008-03-03T16:16:10Z",
    "title_canon_sha256": "ac6306ff83f3d0b1bd06f80d370a5d07353b27b31ecc8228aa7d18dc70a72171"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0803.0273",
    "kind": "arxiv",
    "version": 1
  }
}