Pith Number

pith:IKAWSIIM

pith:1994:IKAWSIIMA5FUZAUTXE7MXZAD53

not attested not anchored not stored refs pending

The Higher Derivative Expansion of the Effective Action by the String-Inspired Method, Part I

C. Schubert, D. Fliegner, M. G. Schmidt

arxiv:hep-ph/9401221 v1 · 1994-01-07 · 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{IKAWSIIMA5FUZAUTXE7MXZAD53}

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	2026-05-18T04:17:44.289944Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

428169210c074b4c8293b93ecbe403eefc0b622f16f30c4e5a2170fd574cbd67

Aliases

arxiv: hep-ph/9401221 · arxiv_version: hep-ph/9401221v1 · doi: 10.48550/arxiv.hep-ph/9401221 · pith_short_12: IKAWSIIMA5FU · pith_short_16: IKAWSIIMA5FUZAUT · pith_short_8: IKAWSIIM

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/IKAWSIIMA5FUZAUTXE7MXZAD53 \
  | 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: 428169210c074b4c8293b93ecbe403eefc0b622f16f30c4e5a2170fd574cbd67

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "099e7b11ebddb93204b0d3902e0f53cf6baefb20cb46a98780f1c424259736f2",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "1994-01-07T19:48:19Z",
    "title_canon_sha256": "8c1f038f6858a813f10c05342620372bf5fc3f4d97120451f00f07f263495b9e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/9401221",
    "kind": "arxiv",
    "version": 1
  }
}