Pith Number

pith:H74ERVOH

pith:2001:H74ERVOHVGW5XG2GBCA3U2B445

not attested not anchored not stored refs pending

Backward spin polarizability $\gamma_\pi$ of the proton

A.I. L'vov, A. Natter, A. Thomas, B. Seitz, F. Smend, F. Wissmann, F. Zapadtka, G. Caselotti, H.-J. Arends, J. Ahrens, J.C. McGeorge, K. Kossert, M. Camen, M.I. Levchuk, M. Schumacher, O. Jahn, P.D. Harty, P. Grabmayr, P. Jennenwein, R. Beck, R. Kondratiev, V. Lisin, V. Olmos de Le\'on, W. Weihofen

arxiv:nucl-ex/0112015 v1 · 2001-12-28 · nucl-ex · hep-ex · 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{H74ERVOHVGW5XG2GBCA3U2B445}

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	2026-05-18T03:19:57.797452Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ff848d5c7a9addb9b460881ba683ce7613cb97cfcac550bd15b6599bb2cab99

Aliases

arxiv: nucl-ex/0112015 · arxiv_version: nucl-ex/0112015v1 · doi: 10.48550/arxiv.nucl-ex/0112015 · pith_short_12: H74ERVOHVGW5 · pith_short_16: H74ERVOHVGW5XG2G · pith_short_8: H74ERVOH

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/H74ERVOHVGW5XG2GBCA3U2B445 \
  | 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: 3ff848d5c7a9addb9b460881ba683ce7613cb97cfcac550bd15b6599bb2cab99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bea26916e197f202ab94915d920764a98e3c18ad0829668fda94db784dd119f4",
    "cross_cats_sorted": [
      "hep-ex",
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "nucl-ex",
    "submitted_at": "2001-12-28T11:45:24Z",
    "title_canon_sha256": "82fd1588f83e579894efda78032c557a1522aa559bf99585b348827e3a5b86ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "nucl-ex/0112015",
    "kind": "arxiv",
    "version": 1
  }
}