Pith Number

pith:HR2OCYKH

pith:1995:HR2OCYKHZHW36LIDTPMOKQVW56

not attested not anchored not stored refs pending

An Introduction to the Heavy Quark Effective Theory

F. Hussain, G. Thompson

arxiv:hep-ph/9502241 v3 · 1995-02-07 · 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{HR2OCYKHZHW36LIDTPMOKQVW56}

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	2026-05-18T01:06:34.013870Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c74e16147c9edbf2d039bd8e542b6ef8ae4765e1624b7bd33d2d1dd80c52c61

Aliases

arxiv: hep-ph/9502241 · arxiv_version: hep-ph/9502241v3 · doi: 10.48550/arxiv.hep-ph/9502241 · pith_short_12: HR2OCYKHZHW3 · pith_short_16: HR2OCYKHZHW36LID · pith_short_8: HR2OCYKH

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/HR2OCYKHZHW36LIDTPMOKQVW56 \
  | 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: 3c74e16147c9edbf2d039bd8e542b6ef8ae4765e1624b7bd33d2d1dd80c52c61

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17a894d079792e2ac22e4fb3da083e9bba0e081dcbfc8a3d81095de974579dfa",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "1995-02-07T11:28:20Z",
    "title_canon_sha256": "7cd39da719805a1cd416b0db722d45ed17214e9ee1c8c2f18f7f033e8d62c0da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/9502241",
    "kind": "arxiv",
    "version": 3
  }
}