Pith Number

pith:KBYJPN42

pith:2011:KBYJPN42F6MLSBI3D73YI7GP3N

not attested not anchored not stored refs pending

Lagrange interpolation at real projections of Leja sequences for the unit disk

Jean-Paul Calvi, Phung Van Manh

arxiv:1102.3629 v1 · 2011-02-17 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KBYJPN42F6MLSBI3D73YI7GP3N}

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	2026-05-18T04:05:27.635165Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

507097b79a2f98b9051b1ff7847ccfdb704b218ed1877925879a02185968b908

Aliases

arxiv: 1102.3629 · arxiv_version: 1102.3629v1 · doi: 10.48550/arxiv.1102.3629 · pith_short_12: KBYJPN42F6ML · pith_short_16: KBYJPN42F6MLSBI3 · pith_short_8: KBYJPN42

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/KBYJPN42F6MLSBI3D73YI7GP3N \
  | 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: 507097b79a2f98b9051b1ff7847ccfdb704b218ed1877925879a02185968b908

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8821455e05f1319a19edadb8a1f95dade56b7837c7791f8537c9c4a8892899b3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2011-02-17T16:47:48Z",
    "title_canon_sha256": "b271ac928a07027afb2dbc6a35d250603a61d171a256a12b23753eab97df7111"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.3629",
    "kind": "arxiv",
    "version": 1
  }
}