Pith Number

pith:E4NWHB7L

pith:1993:E4NWHB7LC7IMUTJJWWHLGVAWD2

not attested not anchored not stored refs pending

Threshold Pion Electroproduction in Chiral Perturbation Theory

N. Kaiser, T.-S.H. Lee, Ulf-G. Mei{\ss}ner, V. Bernard

arxiv:hep-ph/9310329 v1 · 1993-10-21 · hep-ph · nucl-th

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E4NWHB7LC7IMUTJJWWHLGVAWD2}

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	2026-05-18T01:06:35.807573Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

271b6387eb17d0ca4d29b58eb354161ea7e437276acc0507d32f114c3a8b9b39

Aliases

arxiv: hep-ph/9310329 · arxiv_version: hep-ph/9310329v1 · doi: 10.48550/arxiv.hep-ph/9310329 · pith_short_12: E4NWHB7LC7IM · pith_short_16: E4NWHB7LC7IMUTJJ · pith_short_8: E4NWHB7L

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/E4NWHB7LC7IMUTJJWWHLGVAWD2 \
  | 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: 271b6387eb17d0ca4d29b58eb354161ea7e437276acc0507d32f114c3a8b9b39

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63e89713c033148f22b6cf8b4829a234888a5c51af9621a43b77caad4fb7c921",
    "cross_cats_sorted": [
      "nucl-th"
    ],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "1993-10-21T13:05:37Z",
    "title_canon_sha256": "b5a3b02977dc129e5d4887d783492eb5dc4c1c9813376ce9911ca4308c56ad7d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/9310329",
    "kind": "arxiv",
    "version": 1
  }
}