Pith Number

pith:O453V5PH

pith:2011:O453V5PHKEOLVWTH7EDWYXVMIO

not attested not anchored not stored refs pending

Orthogonal Polynomials on the Sierpinski Gasket

Elizabeth K. Tuley, Kasso A. Okoudjou, Robert S. Strichartz

arxiv:1110.1554 v2 · 2011-10-07 · 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{O453V5PHKEOLVWTH7EDWYXVMIO}

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	2026-05-18T03:51:35.800265Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

773bbaf5e7511cbada67f9076c5eac439837a12a158efbd4f81f981a510d105a

Aliases

arxiv: 1110.1554 · arxiv_version: 1110.1554v2 · doi: 10.48550/arxiv.1110.1554 · pith_short_12: O453V5PHKEOL · pith_short_16: O453V5PHKEOLVWTH · pith_short_8: O453V5PH

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/O453V5PHKEOLVWTH7EDWYXVMIO \
  | 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: 773bbaf5e7511cbada67f9076c5eac439837a12a158efbd4f81f981a510d105a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a00877aa55cb09704152ee7311e7b124f65231ea77ec830ea390bd5c36f9dd3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2011-10-07T14:52:32Z",
    "title_canon_sha256": "ccb7562ddca79a73256715508c407f5a89f643265cef6ef080ac7e6ed03631c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.1554",
    "kind": "arxiv",
    "version": 2
  }
}