Pith Number

pith:CHYFKOJM

pith:2015:CHYFKOJMM5NYJJWFMG4EVI7ELM

not attested not anchored not stored refs pending

Differential equations for discrete Jacobi-Sobolev orthogonal polynomials

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

arxiv:1510.02570 v1 · 2015-10-09 · 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{CHYFKOJMM5NYJJWFMG4EVI7ELM}

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	2026-05-18T01:30:42.059148Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11f055392c675b84a6c561b84aa3e45b3c700bfbb2cfda54d7b88d24830f3e74

Aliases

arxiv: 1510.02570 · arxiv_version: 1510.02570v1 · doi: 10.48550/arxiv.1510.02570 · pith_short_12: CHYFKOJMM5NY · pith_short_16: CHYFKOJMM5NYJJWF · pith_short_8: CHYFKOJM

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/CHYFKOJMM5NYJJWFMG4EVI7ELM \
  | 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: 11f055392c675b84a6c561b84aa3e45b3c700bfbb2cfda54d7b88d24830f3e74

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39b8735044e77da7e4d6c9d71a0c2e1743686e205c11f16b7df6c9b41ef0ce0f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2015-10-09T05:11:31Z",
    "title_canon_sha256": "81d664eaa2eaee7bb4cfe82c4dd5fc05da2aed4159ad7c3ba14097a9c1abeaf8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.02570",
    "kind": "arxiv",
    "version": 1
  }
}