Pith Number

pith:KZNWVMNY

pith:2016:KZNWVMNYI24YKR4ASQH6OMM6PM

not attested not anchored not stored refs pending

Group classification of Schr\"odinger equations with position dependent mass

A. G. Nikitin, T. M. Zasadko

arxiv:1603.00890 v3 · 2016-03-02 · math-ph · math.MP · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KZNWVMNYI24YKR4ASQH6OMM6PM}

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	2026-05-18T00:52:41.820930Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

565b6ab1b846b9854780940fe7319e7b038cc9df48efccff069f32aa7234774b

Aliases

arxiv: 1603.00890 · arxiv_version: 1603.00890v3 · doi: 10.48550/arxiv.1603.00890 · pith_short_12: KZNWVMNYI24Y · pith_short_16: KZNWVMNYI24YKR4A · pith_short_8: KZNWVMNY

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/KZNWVMNYI24YKR4ASQH6OMM6PM \
  | 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: 565b6ab1b846b9854780940fe7319e7b038cc9df48efccff069f32aa7234774b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17c766cb4de505292a6e927310be7ec6752358b8a95455b0472cacc7bf648ebf",
    "cross_cats_sorted": [
      "math.MP",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2016-03-02T21:15:38Z",
    "title_canon_sha256": "afafca96040ecaef076095d9fbe3d5ef4c7a660161767fc944b781e98699f511"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.00890",
    "kind": "arxiv",
    "version": 3
  }
}