Pith Number

pith:TUKPKLG2

pith:2009:TUKPKLG2OC6HTM67PTPTUFZCHQ

not attested not anchored not stored refs pending

alpha_s and the tau hadronic width

Matthias Jamin

arxiv:0901.1434 v1 · 2009-01-11 · 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{TUKPKLG2OC6HTM67PTPTUFZCHQ}

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	2026-05-18T02:15:02.648617Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d14f52cda70bc79b3df7cdf3a17223c081ed49f0464422cc77f687c263aff70

Aliases

arxiv: 0901.1434 · arxiv_version: 0901.1434v1 · doi: 10.48550/arxiv.0901.1434 · pith_short_12: TUKPKLG2OC6H · pith_short_16: TUKPKLG2OC6HTM67 · pith_short_8: TUKPKLG2

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/TUKPKLG2OC6HTM67PTPTUFZCHQ \
  | 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: 9d14f52cda70bc79b3df7cdf3a17223c081ed49f0464422cc77f687c263aff70

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "771c1bdeb708f8d72854d10836557fc101ac17d05a0e3dd121fd70c932536b93",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2009-01-11T12:18:30Z",
    "title_canon_sha256": "746434d99b78a3cbfa826071bde9727667540d09304e22c36f48a1758d2d1878"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.1434",
    "kind": "arxiv",
    "version": 1
  }
}