Pith Number

pith:BYF64BP6

pith:1996:BYF64BP6SJ2PVN7SMJTDDXR3SI

not attested not anchored not stored refs pending

On the defect of an analytic disc

Patrizia Rossi

arxiv:math/9604201 v1 · 1996-04-01 · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BYF64BP6SJ2PVN7SMJTDDXR3SI}

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	2026-05-18T01:05:47.695048Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e0bee05fe9274fab7f2626631de3b922fac7a91cc1e46a0778d27b08ed04858

Aliases

arxiv: math/9604201 · arxiv_version: math/9604201v1 · doi: 10.48550/arxiv.math/9604201 · pith_short_12: BYF64BP6SJ2P · pith_short_16: BYF64BP6SJ2PVN7S · pith_short_8: BYF64BP6

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/BYF64BP6SJ2PVN7SMJTDDXR3SI \
  | 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: 0e0bee05fe9274fab7f2626631de3b922fac7a91cc1e46a0778d27b08ed04858

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f003ad1f64f6ed658cb50547a79a744920b5bc212051b0fe48f63d381779100b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.CV",
    "submitted_at": "1996-04-01T19:33:18Z",
    "title_canon_sha256": "ad62788cf6b24b6ea81722af3fb010db20a884170190acf6a8356176fcaf4ac8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/9604201",
    "kind": "arxiv",
    "version": 1
  }
}