Pith Number

pith:RTOPEZWH

pith:2011:RTOPEZWHCGYIA6CNJWKZ6XHWQF

not attested not anchored not stored refs pending

On the zeros of orthogonal polynomials on the unit circle

Jes\'us Mar\'ia Montaner, Manuel Bello-Hern\'andez, Mar\'ia Pilar Alfaro

arxiv:1108.6130 v2 · 2011-08-31 · 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{RTOPEZWHCGYIA6CNJWKZ6XHWQF}

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	2026-05-18T04:12:44.183496Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8cdcf266c711b080784d4d959f5cf68161e0467b14754c082371ccf44c64949d

Aliases

arxiv: 1108.6130 · arxiv_version: 1108.6130v2 · doi: 10.48550/arxiv.1108.6130 · pith_short_12: RTOPEZWHCGYI · pith_short_16: RTOPEZWHCGYIA6CN · pith_short_8: RTOPEZWH

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/RTOPEZWHCGYIA6CNJWKZ6XHWQF \
  | 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: 8cdcf266c711b080784d4d959f5cf68161e0467b14754c082371ccf44c64949d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f315b39d927e23d7ab34c6e8559a7c86a472ff654163571ae8481e5174d3caec",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2011-08-31T06:02:19Z",
    "title_canon_sha256": "acd37aaf591ae2615fe442552acfc694dd4f0b6538642ba7fa869cb62b158c7a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.6130",
    "kind": "arxiv",
    "version": 2
  }
}