Pith Number

pith:WE5VT3HR

pith:2017:WE5VT3HRRCJIGR2WRNKYG5ZW6R

not attested not anchored not stored refs pending

A function with support of finite measure and "small" spectrum

Alexander Olevskii, Fedor Nazarov

arxiv:1701.09114 v1 · 2017-01-31 · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WE5VT3HRRCJIGR2WRNKYG5ZW6R}

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	2026-05-18T00:51:38.433435Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b13b59ecf188928347568b55837736f463432a0bb5c4859ad387a4a4ee3cce7d

Aliases

arxiv: 1701.09114 · arxiv_version: 1701.09114v1 · doi: 10.48550/arxiv.1701.09114 · pith_short_12: WE5VT3HRRCJI · pith_short_16: WE5VT3HRRCJIGR2W · pith_short_8: WE5VT3HR

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/WE5VT3HRRCJIGR2WRNKYG5ZW6R \
  | 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: b13b59ecf188928347568b55837736f463432a0bb5c4859ad387a4a4ee3cce7d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4019323c82709e60a9ccf07b7dee0d78c7e47df8b10ef641573a34f25e62b46",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2017-01-31T16:19:17Z",
    "title_canon_sha256": "7eb7a194c43cff3ba208e82be021f4875189cda869c0580193aec7dc4f024946"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.09114",
    "kind": "arxiv",
    "version": 1
  }
}