Pith Number

pith:WRMPI4WW

pith:2009:WRMPI4WWEX5LRYNR6B2XADXN6A

not attested not anchored not stored refs pending

2\gamma-decays of scalar mesons (\sigma(600), f_0(980) and a_0(980)) in the Nambu-Jona-Lasinio model

E. A. Kuraev, M. K. Volkov, Yu. M. Bystritskiy

arxiv:0901.1981 v1 · 2009-01-14 · 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{WRMPI4WWEX5LRYNR6B2XADXN6A}

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	2026-05-18T02:14:57.553894Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b458f472d625fab8e1b1f075700eedf019789c2d62b278014996b2689429846d

Aliases

arxiv: 0901.1981 · arxiv_version: 0901.1981v1 · doi: 10.48550/arxiv.0901.1981 · pith_short_12: WRMPI4WWEX5L · pith_short_16: WRMPI4WWEX5LRYNR · pith_short_8: WRMPI4WW

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/WRMPI4WWEX5LRYNR6B2XADXN6A \
  | 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: b458f472d625fab8e1b1f075700eedf019789c2d62b278014996b2689429846d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c20312a1eb93f0928702ab7c2cb4a2aa4263bd68626e0ae0da86d9c72d7ac35",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2009-01-14T11:40:03Z",
    "title_canon_sha256": "0f245538a1d607ccc9b42bac952a08f814edc29eae8a79603f30dcbdd196833d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.1981",
    "kind": "arxiv",
    "version": 1
  }
}