Pith Number

pith:SHCYIQIO

pith:2022:SHCYIQIOCTODY4YJ5HOQO2PUNH

not attested not anchored not stored refs pending

Sobolev orthogonal polynomials on the conic surface

Lidia Fernandez, Miguel Pinar, Teresa Perez, Yuan Xu

arxiv:2209.08186 v2 · 2022-09-16 · 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{SHCYIQIOCTODY4YJ5HOQO2PUNH}

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	2026-05-27T00:04:23.890356Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91c584410e14dc3c7309e9dd0769f469df7912e602c9294161a25317e7739d38

Aliases

arxiv: 2209.08186 · arxiv_version: 2209.08186v2 · doi: 10.48550/arxiv.2209.08186 · pith_short_12: SHCYIQIOCTOD · pith_short_16: SHCYIQIOCTODY4YJ · pith_short_8: SHCYIQIO

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/SHCYIQIOCTODY4YJ5HOQO2PUNH \
  | 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: 91c584410e14dc3c7309e9dd0769f469df7912e602c9294161a25317e7739d38

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a43c654fe2dc009d870820c74540e1dc0716eca9c03f5579deb47cb4b4becb9d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2022-09-16T22:27:34Z",
    "title_canon_sha256": "40b07a673732130af0d0c585b06222fb8d79251a99726f5bcefde44d163c3199"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2209.08186",
    "kind": "arxiv",
    "version": 2
  }
}