Pith Number

pith:NJXZOAEX

pith:2009:NJXZOAEXWPNP5T4WMNQRTC64HN

not attested not anchored not stored refs pending

$\alpha_s$ from $\tau$ decays: contour-improved versus fixed-order summation in a new QCD perturbation expansion

Irinel Caprini, Jan Fischer

arxiv:0906.5211 v2 · 2009-06-29 · hep-ph

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NJXZOAEXWPNP5T4WMNQRTC64HN}

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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.

Cited by

1 paper in Pith

Hadronic tau decays at higher orders in QCD

Receipt and verification

First computed	2026-07-04T16:21:42.279354Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a6f970097b3dafecf966361198bdc3b78f60af6b61cbb07b3b96d0b3ded3385

Aliases

arxiv: 0906.5211 · arxiv_version: 0906.5211v2 · doi: 10.48550/arxiv.0906.5211 · pith_short_12: NJXZOAEXWPNP · pith_short_16: NJXZOAEXWPNP5T4W · pith_short_8: NJXZOAEX

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/NJXZOAEXWPNP5T4WMNQRTC64HN \
  | 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: 6a6f970097b3dafecf966361198bdc3b78f60af6b61cbb07b3b96d0b3ded3385

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e9e8855e4d30576a6b4c0f7920945439ff448eb3b055fef958dd6d67211c3b8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2009-06-29T08:16:35Z",
    "title_canon_sha256": "47c5e4074fc4eeb6210373d742dfef1359eca85c15571242b696a1048a24353e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.5211",
    "kind": "arxiv",
    "version": 2
  }
}