Pith Number

pith:6WMOX4BG

pith:2015:6WMOX4BGVQD2XRPEYYXXL4B5VU

not attested not anchored not stored refs pending

On perturbed orthogonal polynomials on the real line and the unit circle via Szeg\H{o}'s transformation

F. Marcell\'an, J. Rivero, K. Castillo

arxiv:1505.02143 v1 · 2015-05-08 · 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{6WMOX4BGVQD2XRPEYYXXL4B5VU}

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	2026-05-18T02:16:37.890144Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f598ebf026ac07abc5e4c62f75f03dad122f80d35a9c2d20e6d66300bf3a045f

Aliases

arxiv: 1505.02143 · arxiv_version: 1505.02143v1 · doi: 10.48550/arxiv.1505.02143 · pith_short_12: 6WMOX4BGVQD2 · pith_short_16: 6WMOX4BGVQD2XRPE · pith_short_8: 6WMOX4BG

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/6WMOX4BGVQD2XRPEYYXXL4B5VU \
  | 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: f598ebf026ac07abc5e4c62f75f03dad122f80d35a9c2d20e6d66300bf3a045f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3edef0ebc051344b0d177b8e17e1504e630a656d071f9a5aa337c1aef3a011ba",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2015-05-08T19:18:19Z",
    "title_canon_sha256": "4f00d241737bc416bf448722eec56b5d6deedc341ca5386afd6b3f6bb346776a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.02143",
    "kind": "arxiv",
    "version": 1
  }
}