Pith Number

pith:RQ665L75

pith:2007:RQ665L752AZ7USLKUEC6DGFUZA

not attested not anchored not stored refs pending

A note on Poisson brackets for orthogonal polynomials on the unit circle

Irina Nenciu

arxiv:math/0701055 v3 · 2007-01-02 · math.CA · math-ph · math.MP · math.SG · nlin.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RQ665L752AZ7USLKUEC6DGFUZA}

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	2026-05-18T04:10:23.985002Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c3deeaffdd033fa496aa105e198b4c813c34c4ed46cde7fd807beea7e1aca57

Aliases

arxiv: math/0701055 · arxiv_version: math/0701055v3 · doi: 10.48550/arxiv.math/0701055 · pith_short_12: RQ665L752AZ7 · pith_short_16: RQ665L752AZ7USLK · pith_short_8: RQ665L75

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/RQ665L752AZ7USLKUEC6DGFUZA \
  | 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: 8c3deeaffdd033fa496aa105e198b4c813c34c4ed46cde7fd807beea7e1aca57

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e58e0e2dc8a05b363f8491e56f10300524b0e1da4c1034326120ef1480bf22a1",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "math.SG",
      "nlin.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2007-01-02T11:29:07Z",
    "title_canon_sha256": "eb7af13006faf283c64a6caf0a3609f522a8bbd9bb2c81fd4440bcc389a7847b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0701055",
    "kind": "arxiv",
    "version": 3
  }
}