Pith Number

pith:J2EG6PUQ

pith:1997:J2EG6PUQBK7FFONQO5DMEXSQ6L

not attested not anchored not stored refs pending

Krichever Maps, Faa' di Bruno Polynomials, and Cohomology in KP Theory

Alessandro Zampa, Cesare Reina, Gregorio Falqui

arxiv:solv-int/9704010 v1 · 1997-04-15 · solv-int · nlin.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J2EG6PUQBK7FFONQO5DMEXSQ6L}

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	2026-05-18T01:04:59.964820Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e886f3e900abe52b9b07746c25e50f2d980cf9ba02e82c35b5618ab556b4d33

Aliases

arxiv: solv-int/9704010 · arxiv_version: solv-int/9704010v1 · doi: 10.48550/arxiv.solv-int/9704010 · pith_short_12: J2EG6PUQBK7F · pith_short_16: J2EG6PUQBK7FFONQ · pith_short_8: J2EG6PUQ

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/J2EG6PUQBK7FFONQO5DMEXSQ6L \
  | 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: 4e886f3e900abe52b9b07746c25e50f2d980cf9ba02e82c35b5618ab556b4d33

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c04808a834f21ecabaafeac72c0d3ec564d88b9733c91fa27f237ebd7a303c5",
    "cross_cats_sorted": [
      "nlin.SI"
    ],
    "license": "",
    "primary_cat": "solv-int",
    "submitted_at": "1997-04-15T08:49:37Z",
    "title_canon_sha256": "da61bf5683612588550d48f6172702e2fd5a1e7b1dd2573230b2ed3be48b8087"
  },
  "schema_version": "1.0",
  "source": {
    "id": "solv-int/9704010",
    "kind": "arxiv",
    "version": 1
  }
}