Pith Number

pith:PW7QPM6J

pith:2000:PW7QPM6JKLOB6ARLSBHT4XLZTD

not attested not anchored not stored refs pending

Topics in the Heavy Quark Expansion

Nikolai Uraltsev

arxiv:hep-ph/0010328 v2 · 2000-10-30 · 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{PW7QPM6JKLOB6ARLSBHT4XLZTD}

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	2026-05-18T00:57:06.008741Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7dbf07b3c952dc1f022b904f3e5d7998df9d33045befde9ba9822118111954ac

Aliases

arxiv: hep-ph/0010328 · arxiv_version: hep-ph/0010328v2 · doi: 10.48550/arxiv.hep-ph/0010328 · pith_short_12: PW7QPM6JKLOB · pith_short_16: PW7QPM6JKLOB6ARL · pith_short_8: PW7QPM6J

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/PW7QPM6JKLOB6ARLSBHT4XLZTD \
  | 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: 7dbf07b3c952dc1f022b904f3e5d7998df9d33045befde9ba9822118111954ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0af252c418d089e6a280fae62db19ffe56e6fff22c8bb9690cc484f612863b59",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "2000-10-30T12:33:04Z",
    "title_canon_sha256": "3dc39d58bd048a889038fc592286373e7b8aa85eb30b18895a38296106866910"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/0010328",
    "kind": "arxiv",
    "version": 2
  }
}