Pith Number

pith:WEXFZ6ER

pith:2010:WEXFZ6ERO42UI2JHWXVKSY5UMH

not attested not anchored not stored refs pending

Pointwise Decay of Fourier-Stieltjes transform of the Spectral Measure for Jacobi Matrices with Faster-than-Exponential Sparse Perturbations

D. H. U. Marchetti, S. L. Carvalho, W. F. Wreszinski

arxiv:1010.5274 v1 · 2010-10-25 · math.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WEXFZ6ERO42UI2JHWXVKSY5UMH}

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	2026-05-18T04:38:39.114944Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b12e5cf8917735446927b5eaa963b461f999e950e79011cde7e99cb8cc81cf6c

Aliases

arxiv: 1010.5274 · arxiv_version: 1010.5274v1 · doi: 10.48550/arxiv.1010.5274 · pith_short_12: WEXFZ6ERO42U · pith_short_16: WEXFZ6ERO42UI2JH · pith_short_8: WEXFZ6ER

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/WEXFZ6ERO42UI2JHWXVKSY5UMH \
  | 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: b12e5cf8917735446927b5eaa963b461f999e950e79011cde7e99cb8cc81cf6c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57b0e7c62fda125e29c95d8b0a2e5d314ae52a49b0699f5eada5864ea703f4d2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SP",
    "submitted_at": "2010-10-25T21:58:02Z",
    "title_canon_sha256": "e05c3427fe2af9db9afbc41c40d914c704d90a44dac6698c4d4415342d6cfce7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.5274",
    "kind": "arxiv",
    "version": 1
  }
}