Pith Number

pith:V6EGQPQ4

pith:2016:V6EGQPQ4J2INM4DGSATJQSISQL

not attested not anchored not stored refs pending

On a special property of tridiagonal matrices. Application to dual quasi-exactly solvable sextic potentials in quantum mechanics

Michael Kreshchuk

arxiv:1602.05591 v2 · 2016-02-17 · math.RA · 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{V6EGQPQ4J2INM4DGSATJQSISQL}

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	2026-05-17T23:55:01.454285Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af88683e1c4e90d67066902698491282d2158fed357f6db6ae2351619f015908

Aliases

arxiv: 1602.05591 · arxiv_version: 1602.05591v2 · doi: 10.48550/arxiv.1602.05591 · pith_short_12: V6EGQPQ4J2IN · pith_short_16: V6EGQPQ4J2INM4DG · pith_short_8: V6EGQPQ4

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/V6EGQPQ4J2INM4DGSATJQSISQL \
  | 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: af88683e1c4e90d67066902698491282d2158fed357f6db6ae2351619f015908

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f8f85300ea1982d0749c255d990ca6282e8f73953507f089787730f90561d49",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2016-02-17T21:02:37Z",
    "title_canon_sha256": "fe7e17c18eb713e40c1e4b782941d461215be53488c0ab94a7ed0c7b3b92f476"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.05591",
    "kind": "arxiv",
    "version": 2
  }
}