Pith Number

pith:D6VQAXN4

pith:2000:D6VQAXN427TTXKZPTDQ6CZRWXD

not attested not anchored not stored refs pending

Determination of the QCD Coupling $\alpha_s$

Munich), S. Bethke (Max Planck Institut fuer Physik

arxiv:hep-ex/0004021 v1 · 2000-04-20 · hep-ex · 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{D6VQAXN427TTXKZPTDQ6CZRWXD}

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	2026-05-18T04:26:12.435229Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1fab005dbcd7e73bab2f98e1e16636b8da1a559e71ab52fe4698d99156f8c919

Aliases

arxiv: hep-ex/0004021 · arxiv_version: hep-ex/0004021v1 · doi: 10.48550/arxiv.hep-ex/0004021 · pith_short_12: D6VQAXN427TT · pith_short_16: D6VQAXN427TTXKZP · pith_short_8: D6VQAXN4

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/D6VQAXN427TTXKZPTDQ6CZRWXD \
  | 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: 1fab005dbcd7e73bab2f98e1e16636b8da1a559e71ab52fe4698d99156f8c919

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "083953c9a32050b535c13369d7d28661be8439f98bd241d6f638132b92556eeb",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "hep-ex",
    "submitted_at": "2000-04-20T20:49:03Z",
    "title_canon_sha256": "037c27467e90155b17aa77d7b5023e18ba09b9bfef49f78c8767a10c4115342e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ex/0004021",
    "kind": "arxiv",
    "version": 1
  }
}