Pith Number

pith:C7S3AHLU

pith:2026:C7S3AHLUK45D7TF4O3TB5NG3UM

not attested not anchored not stored refs pending

Chebyshev polynomials on a Jordan arc

Aron Wennman, Benedikt Buchecker, Benjamin Eichinger, Olof Rubin

arxiv:2608.13445 v1 · 2026-08-13 · math.CA · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C7S3AHLUK45D7TF4O3TB5NG3UM}

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	2026-08-14T01:04:27.411226Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17e5b01d74573a3fccbc76e61eb4dba3227ef19a9372b79f7b0c987c477237d3

Aliases

arxiv: 2608.13445 · arxiv_version: 2608.13445v1 · doi: 10.48550/arxiv.2608.13445 · pith_short_12: C7S3AHLUK45D · pith_short_16: C7S3AHLUK45D7TF4 · pith_short_8: C7S3AHLU

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/C7S3AHLUK45D7TF4O3TB5NG3UM \
  | 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: 17e5b01d74573a3fccbc76e61eb4dba3227ef19a9372b79f7b0c987c477237d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2757fc14f1a700f24e4c5ef60f66a92b58f029968ae845396086a3f91af0f22a",
    "cross_cats_sorted": [
      "math.CV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2026-08-13T16:31:15Z",
    "title_canon_sha256": "3d433ac555d4fdcb22c3d9113c0f0d25d9f8b30bcf93914a294e1517781ff9f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.13445",
    "kind": "arxiv",
    "version": 1
  }
}