Pith Number

pith:ZA3KL2P4

pith:2007:ZA3KL2P4UURFMW3THZWVYKYKZ2

not attested not anchored not stored refs pending

Stability Results for Scattered Data Interpolation by Trigonometric Polynomials

Daniel Potts, Stefan Kunis

arxiv:math/0702019 v1 · 2007-02-01 · math.NA · cs.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{ZA3KL2P4UURFMW3THZWVYKYKZ2}

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	2026-06-03T22:06:21.942885Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c836a5e9fca522565b733e6d5c2b0aceb3cafc98f331300a245f6df107304997

Aliases

arxiv: math/0702019 · arxiv_version: math/0702019v1 · doi: 10.48550/arxiv.math/0702019 · pith_short_12: ZA3KL2P4UURF · pith_short_16: ZA3KL2P4UURFMW3T · pith_short_8: ZA3KL2P4

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/ZA3KL2P4UURFMW3THZWVYKYKZ2 \
  | 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: c836a5e9fca522565b733e6d5c2b0aceb3cafc98f331300a245f6df107304997

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b241eebb25a51c8f4a237ff748bb049b65556fdd0decda9bcb99d0eb1d15df6c",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "",
    "primary_cat": "math.NA",
    "submitted_at": "2007-02-01T12:43:31Z",
    "title_canon_sha256": "0724e66ff00e2cb35ce0dd75899645acdc4ec9291430336ff26ec269f799ad5e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0702019",
    "kind": "arxiv",
    "version": 1
  }
}