Pith Number

pith:CEJQJQF3

pith:2016:CEJQJQF3PJ72RGKKY2R44DGNKQ

not attested not anchored not stored refs pending

Spectral analysis of two doubly infinite Jacobi matrices with exponential entries

Franti\v{s}ek \v{S}tampach, Mourad E. H. Ismail

arxiv:1605.00393 v1 · 2016-05-02 · math.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CEJQJQF3PJ72RGKKY2R44DGNKQ}

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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.

Receipt and verification

First computed	2026-05-18T01:15:55.939031Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

111304c0bb7a7fa8994ac6a3ce0ccd54225444f7fb79226e01b36c295794a09d

Aliases

arxiv: 1605.00393 · arxiv_version: 1605.00393v1 · doi: 10.48550/arxiv.1605.00393 · pith_short_12: CEJQJQF3PJ72 · pith_short_16: CEJQJQF3PJ72RGKK · pith_short_8: CEJQJQF3

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/CEJQJQF3PJ72RGKKY2R44DGNKQ \
  | 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: 111304c0bb7a7fa8994ac6a3ce0ccd54225444f7fb79226e01b36c295794a09d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b47689bec65bcf5933785eb0d1dee625025ae212864afe78191ab6fb4d0e1eb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SP",
    "submitted_at": "2016-05-02T08:49:11Z",
    "title_canon_sha256": "86de6e0b74fc61bf410babbb64a5866401f2d006244dd711334376cba72dddd6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.00393",
    "kind": "arxiv",
    "version": 1
  }
}