Pith Number

pith:WXE6WC4I

pith:2011:WXE6WC4IKDUVZO3FDFSOIY6BBV

not attested not anchored not stored refs pending

Global regularity for ordinary differential operators with polynomial coefficients

Fabio Nicola, Luigi Rodino

arxiv:1106.6203 v1 · 2011-06-30 · math.CA · math.AP · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WXE6WC4IKDUVZO3FDFSOIY6BBV}

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	2026-05-18T02:26:53.214938Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5c9eb0b8850e95cbb651964e463c10d66f98ad02885d4dd9b78ce95be8b5cb2

Aliases

arxiv: 1106.6203 · arxiv_version: 1106.6203v1 · doi: 10.48550/arxiv.1106.6203 · pith_short_12: WXE6WC4IKDUV · pith_short_16: WXE6WC4IKDUVZO3F · pith_short_8: WXE6WC4I

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/WXE6WC4IKDUVZO3FDFSOIY6BBV \
  | 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: b5c9eb0b8850e95cbb651964e463c10d66f98ad02885d4dd9b78ce95be8b5cb2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "caf671a61a00a31a3d7e44278ea33fed4e82f9d2bc4a695f79dab39a4e3c1d01",
    "cross_cats_sorted": [
      "math.AP",
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2011-06-30T12:24:24Z",
    "title_canon_sha256": "f5919d0ce74bc91be6530ab27017bdbacfbd7d0b751dc9e7bf96de2c35af6398"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.6203",
    "kind": "arxiv",
    "version": 1
  }
}