Pith Number

pith:QSLISVWR

pith:2015:QSLISVWRRU45WRCNKV3GDTU6CS

not attested not anchored not stored refs pending

Confluent Vandermonde matrices, divided differences, and Lagrange-Hermite interpolation over quaternions

Vladimir Bolotnikov

arxiv:1505.03574 v1 · 2015-05-13 · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QSLISVWRRU45WRCNKV3GDTU6CS}

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	2026-05-18T02:09:53.706439Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84968956d18d39db444d557661ce9e14b15a0705b7fbbd69802c58a307fb7f83

Aliases

arxiv: 1505.03574 · arxiv_version: 1505.03574v1 · doi: 10.48550/arxiv.1505.03574 · pith_short_12: QSLISVWRRU45 · pith_short_16: QSLISVWRRU45WRCN · pith_short_8: QSLISVWR

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/QSLISVWRRU45WRCNKV3GDTU6CS \
  | 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: 84968956d18d39db444d557661ce9e14b15a0705b7fbbd69802c58a307fb7f83

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "becf3e82f1efa2c473f66bda14c82aa09e305b9214bcce20d680a6a18fad1f05",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2015-05-13T23:36:29Z",
    "title_canon_sha256": "c550065de072dcee91e18e120eb985b362d1e00ea52b6533d701bb370e98d2f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.03574",
    "kind": "arxiv",
    "version": 1
  }
}