Pith Number

pith:TUT3GQ5A

pith:2015:TUT3GQ5AQFXWJEN57LCDFADPQX

not attested not anchored not stored refs pending

Cardinal Interpolation With General Multiquadrics: Convergence Rates

Jeff Ledford, Keaton Hamm

arxiv:1506.07387 v4 · 2015-06-04 · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TUT3GQ5AQFXWJEN57LCDFADPQX}

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	2026-05-18T00:21:43.808187Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d27b343a0816f6491bdfac432806f85c5de17e51e8acf444b65bc7d9467cd93

Aliases

arxiv: 1506.07387 · arxiv_version: 1506.07387v4 · doi: 10.48550/arxiv.1506.07387 · pith_short_12: TUT3GQ5AQFXW · pith_short_16: TUT3GQ5AQFXWJEN5 · pith_short_8: TUT3GQ5A

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/TUT3GQ5AQFXWJEN57LCDFADPQX \
  | 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: 9d27b343a0816f6491bdfac432806f85c5de17e51e8acf444b65bc7d9467cd93

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf6af0a39579571077e21913fae2abca82ed30654f31e374f183340fb782ccd5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2015-06-04T18:18:28Z",
    "title_canon_sha256": "2988de98883508f6ac0f8cfba488259d53b1ed0535bf8a6d4ea1f2fd822f7858"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.07387",
    "kind": "arxiv",
    "version": 4
  }
}