Pith Number

pith:CBWKVIO2

pith:2025:CBWKVIO2CATVWSBBFTWMLEFKMD

not attested not anchored not stored refs pending

Sampling Finite Unit Norm Tight Frames Using Symplectic Geometry

Clayton Shonkwiler, Mason Faldet

arxiv:2505.22847 v1 · 2025-05-28 · math.FA · math.SG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CBWKVIO2CATVWSBBFTWMLEFKMD}

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	2026-07-05T11:11:50.778388Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

106caaa1da10275b48212cecc590aa60e593650cb9ac9e13246f18bc577793c3

Aliases

arxiv: 2505.22847 · arxiv_version: 2505.22847v1 · doi: 10.48550/arxiv.2505.22847 · pith_short_12: CBWKVIO2CATV · pith_short_16: CBWKVIO2CATVWSBB · pith_short_8: CBWKVIO2

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/CBWKVIO2CATVWSBBFTWMLEFKMD \
  | 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: 106caaa1da10275b48212cecc590aa60e593650cb9ac9e13246f18bc577793c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cff8c4e096b0ff1bbd1dc027184b3d8e21119698a086e0c7d8c1f8bd372a2c5c",
    "cross_cats_sorted": [
      "math.SG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2025-05-28T20:29:03Z",
    "title_canon_sha256": "03afcb448afe5ede7dfcb886fd83cbfb841ba13767df7462c176099e54fbc108"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.22847",
    "kind": "arxiv",
    "version": 1
  }
}