Pith Number

pith:CNFFY7NM

pith:1993:CNFFY7NMRL7QLVSRIZNDZEERL3

not attested not anchored not stored refs pending

The Noether exponent and Jacobi formula

Arkadiusz P{\l}oski

arxiv:alg-geom/9305006 v1 · 1993-05-19 · alg-geom · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CNFFY7NMRL7QLVSRIZNDZEERL3}

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	2026-05-18T01:09:21.822026Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

134a5c7dac8aff05d651465a3c90915ede49a5491e6dd5e76e1edca68ab4eb26

Aliases

arxiv: alg-geom/9305006 · arxiv_version: alg-geom/9305006v1 · doi: 10.48550/arxiv.alg-geom/9305006 · pith_short_12: CNFFY7NMRL7Q · pith_short_16: CNFFY7NMRL7QLVSR · pith_short_8: CNFFY7NM

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/CNFFY7NMRL7QLVSRIZNDZEERL3 \
  | 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: 134a5c7dac8aff05d651465a3c90915ede49a5491e6dd5e76e1edca68ab4eb26

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f28ca8dfba1d4dad94a072c2f64dfed607603b71ec7e9e062e1f12c9040db2b",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "",
    "primary_cat": "alg-geom",
    "submitted_at": "1993-05-19T07:42:51Z",
    "title_canon_sha256": "dae59eccf06c060c6da9df58ed04d5a752ad3d6414a3e69ba1239daccc56056b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "alg-geom/9305006",
    "kind": "arxiv",
    "version": 1
  }
}