Pith Number

pith:ZROL5T4Y

pith:2009:ZROL5T4Y6GYZPDBLMQMCKNTFA4

not attested not anchored not stored refs pending

Determining alpha_s from the hyperfine splitting mUpsilon(1S)-mEta(b)

Egidio Scrimieri, Pietro Colangelo, Pietro Santorelli

arxiv:0912.1081 v2 · 2009-12-07 · 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{ZROL5T4Y6GYZPDBLMQMCKNTFA4}

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	2026-05-18T04:27:58.256523Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc5cbecf98f1b1978c2b6418253665073c47fcf69f52ba19173aa82f3329285c

Aliases

arxiv: 0912.1081 · arxiv_version: 0912.1081v2 · doi: 10.48550/arxiv.0912.1081 · pith_short_12: ZROL5T4Y6GYZ · pith_short_16: ZROL5T4Y6GYZPDBL · pith_short_8: ZROL5T4Y

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/ZROL5T4Y6GYZPDBLMQMCKNTFA4 \
  | 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: cc5cbecf98f1b1978c2b6418253665073c47fcf69f52ba19173aa82f3329285c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03374cff54d6daaa756dd373ad3736315c2a727424ebc3a2125b156bc08d3fa6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2009-12-07T16:57:57Z",
    "title_canon_sha256": "38136679197dec5d8bdcb3d4d2f06be2f42e2e232a4674eabcefcc500f09f9b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.1081",
    "kind": "arxiv",
    "version": 2
  }
}