Pith Number

pith:57PA7F4H

pith:1997:57PA7F4HMPRI6DXX3ORUKD5ELZ

not attested not anchored not stored refs pending

\pi\pi, K\pi and \pi N potential scattering and a prediction of a narrow \sigma meson resonance

H.V. von Geramb (Theoretische Kernphysik, M. Sander, University of Hamburg)

arxiv:nucl-th/9703031 v1 · 1997-03-14 · nucl-th

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{57PA7F4HMPRI6DXX3ORUKD5ELZ}

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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	2026-05-18T01:05:18.268792Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

efde0f978763e28f0ef7dba3450fa45e781b355d931b02b319f1e62728ef078d

Aliases

arxiv: nucl-th/9703031 · arxiv_version: nucl-th/9703031v1 · doi: 10.48550/arxiv.nucl-th/9703031 · pith_short_12: 57PA7F4HMPRI · pith_short_16: 57PA7F4HMPRI6DXX · pith_short_8: 57PA7F4H

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/57PA7F4HMPRI6DXX3ORUKD5ELZ \
  | 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: efde0f978763e28f0ef7dba3450fa45e781b355d931b02b319f1e62728ef078d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2ff8c5532a7c56a671c6325a1666e793f69501676e381b1b98ed5b0ed7ab790",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "nucl-th",
    "submitted_at": "1997-03-14T15:10:54Z",
    "title_canon_sha256": "8a092a05beaff60c6d8a92e02b75c9000b47b5d56666a546f60ab20c429e65ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "nucl-th/9703031",
    "kind": "arxiv",
    "version": 1
  }
}