Pith Number

pith:6ZDIO7XL

pith:2007:6ZDIO7XLCZHNHFE4IRBAF7OG2P

not attested not anchored not stored refs pending

Two-Loop Massive Operator Matrix Elements and Unpolarized Heavy Flavor Production at Asymptotic Values Q^2 >> m^2

Isabella Bierenbaum, Johannes Bl\"umlein, Sebastian Klein

arxiv:hep-ph/0703285 v1 · 2007-03-27 · 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{6ZDIO7XLCZHNHFE4IRBAF7OG2P}

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	2026-07-04T15:25:16.158548Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f646877eeb164ed3949c444202fdc6d3f414c631f9f7af5f512481435390170e

Aliases

arxiv: hep-ph/0703285 · arxiv_version: hep-ph/0703285v1 · doi: 10.48550/arxiv.hep-ph/0703285 · pith_short_12: 6ZDIO7XLCZHN · pith_short_16: 6ZDIO7XLCZHNHFE4 · pith_short_8: 6ZDIO7XL

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/6ZDIO7XLCZHNHFE4IRBAF7OG2P \
  | 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: f646877eeb164ed3949c444202fdc6d3f414c631f9f7af5f512481435390170e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e5d8f174e6384e6be9655160fc22ca21ca62e1c167075164b57452dc0125a82",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "2007-03-27T16:14:10Z",
    "title_canon_sha256": "136ab7afd6cdebbaab8f999e8238409f7b49cb825bca0b8477bd807b363a4642"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/0703285",
    "kind": "arxiv",
    "version": 1
  }
}