Pith Number

pith:OJ27HXSS

pith:2020:OJ27HXSSFZVZQ6K6GLCFJ55647

not attested not anchored not stored refs pending

The $\sigma$-meson: four-quark vs. two-quark components and decay width in a Bethe-Salpeter approach

Christian S. Fischer, Gernot Eichmann, Nico Santowsky, Paul C. Wallbott, Richard Williams

arxiv:2007.06495 v2 · 2020-07-13 · 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{OJ27HXSSFZVZQ6K6GLCFJ55647}

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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.

Receipt and verification

First computed	2026-07-05T01:36:09.965837Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7275f3de522e6b98795e32c454f7bee7cf41cfe62c7dee2b3f2908c7df6e104b

Aliases

arxiv: 2007.06495 · arxiv_version: 2007.06495v2 · doi: 10.48550/arxiv.2007.06495 · pith_short_12: OJ27HXSSFZVZ · pith_short_16: OJ27HXSSFZVZQ6K6 · pith_short_8: OJ27HXSS

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/OJ27HXSSFZVZQ6K6GLCFJ55647 \
  | 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: 7275f3de522e6b98795e32c454f7bee7cf41cfe62c7dee2b3f2908c7df6e104b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ade50199c57aa87d9ac935c4e4fec1bca99a638effd454236aad470f87970806",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2020-07-13T16:45:41Z",
    "title_canon_sha256": "4de5cd1ad4daa8d122e4c36e3657e5d4903e33667341a029ece57ae0753c9e7b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.06495",
    "kind": "arxiv",
    "version": 2
  }
}