Pith Number

pith:VL46CZ6D

pith:2026:VL46CZ6D23AGOIL2FFFS2KTIHB

not attested not anchored not stored refs pending

Spectral distribution of Jacobi weighted histopolation matrices via GLT theory

Allal Guessab, Federico Nudo, Stefano Serra-Capizzano

arxiv:2605.23501 v1 · 2026-05-22 · math.NA · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VL46CZ6D23AGOIL2FFFS2KTIHB}

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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	2026-05-25T02:01:58.016464Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aaf9e167c3d6c067217a294b2d2a68385c64c2fa6956c93440a0035a442087f4

Aliases

arxiv: 2605.23501 · arxiv_version: 2605.23501v1 · doi: 10.48550/arxiv.2605.23501 · pith_short_12: VL46CZ6D23AG · pith_short_16: VL46CZ6D23AGOIL2 · pith_short_8: VL46CZ6D

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/VL46CZ6D23AGOIL2FFFS2KTIHB \
  | 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: aaf9e167c3d6c067217a294b2d2a68385c64c2fa6956c93440a0035a442087f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc38cf55c13b142c72671c4bd697113607e354fbae4cc1d208f0d05c3c960eeb",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-05-22T11:04:30Z",
    "title_canon_sha256": "719e40354645244f5aea51040001b695ee54472ab68e1030f19ec8039d2ce570"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.23501",
    "kind": "arxiv",
    "version": 1
  }
}