Pith Number

pith:QU5STUP2

pith:2014:QU5STUP27TMMXD2IK37MQHFZHB

not attested not anchored not stored refs pending

Monomial to ultraspherical basis transformation and the zeros of polynomials

Matthew Chasse

arxiv:1406.6880 v1 · 2014-06-26 · 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{QU5STUP27TMMXD2IK37MQHFZHB}

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	2026-05-18T02:48:55.595070Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

853b29d1fafcd8cb8f4856fec81cb9386c751c8c86a76acbf8cd56fd896ea240

Aliases

arxiv: 1406.6880 · arxiv_version: 1406.6880v1 · doi: 10.48550/arxiv.1406.6880 · pith_short_12: QU5STUP27TMM · pith_short_16: QU5STUP27TMMXD2I · pith_short_8: QU5STUP2

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/QU5STUP27TMMXD2IK37MQHFZHB \
  | 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: 853b29d1fafcd8cb8f4856fec81cb9386c751c8c86a76acbf8cd56fd896ea240

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d9aeb252af78675be72212b1c4dec3a862cffb9c45fbef69a35b5f4a62ba646",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2014-06-26T13:23:43Z",
    "title_canon_sha256": "d516a01c9d2522b3f5ee6477d1aa1e92cd21f0f2d63a1ae97c9150f71f0a18d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.6880",
    "kind": "arxiv",
    "version": 1
  }
}