Pith Number

pith:UZEPWX6M

pith:2013:UZEPWX6MVGYOF66OV4JEZ4WUIL

not attested not anchored not stored refs pending

Relative Fisher information of discrete classical orthogonal polynomials

Jesus S. Dehesa, Pablo S\'anchez-Moreno, Rafael J. Y\'a\~nez

arxiv:1305.4449 v1 · 2013-05-20 · 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{UZEPWX6MVGYOF66OV4JEZ4WUIL}

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	2026-05-18T03:25:23.657784Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a648fb5fcca9b0e2fbceaf124cf2d442c6ce5e6442df71f5db1515b3ed9bce91

Aliases

arxiv: 1305.4449 · arxiv_version: 1305.4449v1 · doi: 10.48550/arxiv.1305.4449 · pith_short_12: UZEPWX6MVGYO · pith_short_16: UZEPWX6MVGYOF66O · pith_short_8: UZEPWX6M

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/UZEPWX6MVGYOF66OV4JEZ4WUIL \
  | 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: a648fb5fcca9b0e2fbceaf124cf2d442c6ce5e6442df71f5db1515b3ed9bce91

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df5a42406af9837126007e1e062bf6c008c55c17974abd0a787965916b7f3620",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2013-05-20T07:05:45Z",
    "title_canon_sha256": "9a76206c184b0ea4de91cf01d91cd98dbcb150a4f662583cda963ccb4097bd4e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.4449",
    "kind": "arxiv",
    "version": 1
  }
}