Pith Number

pith:RKDDJU2H

pith:2019:RKDDJU2HUBAESWMDZGYLB4RDG4

not attested not anchored not stored refs pending

Bispectral Laguerre type polynomials

Antonio J. Dur\'an, Manuel D. de la Iglesia

arxiv:1905.09223 v1 · 2019-05-22 · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RKDDJU2HUBAESWMDZGYLB4RDG4}

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	2026-05-17T23:45:21.563702Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a8634d347a040495983c9b0b0f223371e6ce2a4f01e298e33d6e578b24f419e

Aliases

arxiv: 1905.09223 · arxiv_version: 1905.09223v1 · doi: 10.48550/arxiv.1905.09223 · pith_short_12: RKDDJU2HUBAE · pith_short_16: RKDDJU2HUBAESWMD · pith_short_8: RKDDJU2H

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/RKDDJU2HUBAESWMDZGYLB4RDG4 \
  | 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: 8a8634d347a040495983c9b0b0f223371e6ce2a4f01e298e33d6e578b24f419e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35616c22821934da3cf00d4e2261381b993b5d5f1c4fdb83e365dd2658703906",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2019-05-22T16:20:39Z",
    "title_canon_sha256": "6281298c6c7d05ac78d6f252d8c70ffc8737b8ecd0c3340e86e7a07fea82bc0f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.09223",
    "kind": "arxiv",
    "version": 1
  }
}