Pith Number

pith:BQUH2WVV

pith:2011:BQUH2WVVRUBIWDMJQZ6IGFUBA5

not attested not anchored not stored refs pending

An ensemble related to discrete orthogonal polynomials and its application to tilings of a half-hexagon

Uwe Schwerdtfeger

arxiv:1101.3730 v2 · 2011-01-19 · math.PR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BQUH2WVVRUBIWDMJQZ6IGFUBA5}

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	2026-05-18T02:22:51.312724Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c287d5ab58d028b0d89867c83168107759ff780262ade1afaf54e3447a063d3

Aliases

arxiv: 1101.3730 · arxiv_version: 1101.3730v2 · doi: 10.48550/arxiv.1101.3730 · pith_short_12: BQUH2WVVRUBI · pith_short_16: BQUH2WVVRUBIWDMJ · pith_short_8: BQUH2WVV

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/BQUH2WVVRUBIWDMJQZ6IGFUBA5 \
  | 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: 0c287d5ab58d028b0d89867c83168107759ff780262ade1afaf54e3447a063d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "977d28d47ffa385b45ea418a10792125809cec7e5e6038012aa8e3cf3f454498",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2011-01-19T16:32:45Z",
    "title_canon_sha256": "9477daa1d360d619502286db3131efafd0eba996f519b4c60963228e666080e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.3730",
    "kind": "arxiv",
    "version": 2
  }
}