Pith Number

pith:T4TZTZQ2

pith:2023:T4TZTZQ2ZBI4N6Z7ZOGNC2SAIM

not attested not anchored not stored refs pending

Solving the Parametric Eigenvalue Problem by Taylor Series and Chebyshev Expansion

Melina A. Freitag, Thomas Mach

arxiv:2302.03661 v1 · 2023-02-07 · 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{T4TZTZQ2ZBI4N6Z7ZOGNC2SAIM}

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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.

Cited by

1 paper in Pith

Taylor-mode automatic differentiation for constructing molecular rovibrational Hamiltonian operators

Receipt and verification

First computed	2026-07-05T05:39:39.308177Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f2799e61ac851c6fb3fcb8cd16a404318bdea8f79951b99bb96995832dcfaf6

Aliases

arxiv: 2302.03661 · arxiv_version: 2302.03661v1 · doi: 10.48550/arxiv.2302.03661 · pith_short_12: T4TZTZQ2ZBI4 · pith_short_16: T4TZTZQ2ZBI4N6Z7 · pith_short_8: T4TZTZQ2

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/T4TZTZQ2ZBI4N6Z7ZOGNC2SAIM \
  | 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: 9f2799e61ac851c6fb3fcb8cd16a404318bdea8f79951b99bb96995832dcfaf6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68e4276181d03a3e3907d048423e42455f7d14b3dce56bd4eacf42c9d040cc16",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2023-02-07T18:23:30Z",
    "title_canon_sha256": "634d731eff85be7074618681039ef7aedaecc46063c5fba9e94cf755f8ef7d93"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2302.03661",
    "kind": "arxiv",
    "version": 1
  }
}