Pith Number

pith:NL4QKTSE

pith:2001:NL4QKTSEPI3RJLL76XM2VWTD2S

not attested not anchored not stored refs pending

Spiked harmonic oscillators

Attila B. von Keviczky, Nasser Saad, Richard L. Hall

arxiv:math-ph/0109014 v1 · 2001-09-18 · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NL4QKTSEPI3RJLL76XM2VWTD2S}

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.

Cited by

1 paper in Pith

A set of nonlinear coherent states for the pseudoharmonic oscillator

Receipt and verification

First computed	2026-05-18T01:38:34.448230Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6af9054e447a3714ad7ff5d9aada63d48451ff55bf639f7139d15eba3d955785

Aliases

arxiv: math-ph/0109014 · arxiv_version: math-ph/0109014v1 · doi: 10.48550/arxiv.math-ph/0109014 · pith_short_12: NL4QKTSEPI3R · pith_short_16: NL4QKTSEPI3RJLL7 · pith_short_8: NL4QKTSE

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/NL4QKTSEPI3RJLL76XM2VWTD2S \
  | 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: 6af9054e447a3714ad7ff5d9aada63d48451ff55bf639f7139d15eba3d955785

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f5db7004de57b662b9d7b70f7b5ac7db98215c0e563cef9927cac9d9f60f7a91",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "",
    "primary_cat": "math-ph",
    "submitted_at": "2001-09-18T19:53:03Z",
    "title_canon_sha256": "4a1723bd09b9250c9f9ee58a72439e9669b22e82c02da6a980a64bd9ebea0f2a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math-ph/0109014",
    "kind": "arxiv",
    "version": 1
  }
}