Pith Number

pith:JECRY43U

pith:2008:JECRY43U77IFLSAEEAY2E3KQQN

not attested not anchored not stored refs pending

Convexity of the zeros of some orthogonal polynomials and related functions

F Tookos, K Jordaan

arxiv:0812.0726 v1 · 2008-12-03 · 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{JECRY43U77IFLSAEEAY2E3KQQN}

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	2026-05-18T02:15:12.083950Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

49051c7374ffd055c8042031a26d508359358e118e8833d69926cdb12beeca23

Aliases

arxiv: 0812.0726 · arxiv_version: 0812.0726v1 · doi: 10.48550/arxiv.0812.0726 · pith_short_12: JECRY43U77IF · pith_short_16: JECRY43U77IFLSAE · pith_short_8: JECRY43U

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/JECRY43U77IFLSAEEAY2E3KQQN \
  | 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: 49051c7374ffd055c8042031a26d508359358e118e8833d69926cdb12beeca23

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7404fda8fb5e813dfcf11ac58384befc13c38a225e01c034b63164eff286a645",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2008-12-03T14:27:30Z",
    "title_canon_sha256": "db63012f063c50db65a53db237fa6c7c0f8023fb8b3a2696e7a25a2e191e74e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.0726",
    "kind": "arxiv",
    "version": 1
  }
}