Pith Number

pith:3SSZQRQL

pith:1997:3SSZQRQL2HNE5VWDKL43LVGMCC

not attested not anchored not stored refs pending

Noncommutative Interpolation and Poisson transforms

Alvaro Arias, Gelu Popescu

arxiv:math/9709213 v1 · 1997-09-11 · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3SSZQRQL2HNE5VWDKL43LVGMCC}

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	2026-05-18T01:05:34.844125Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dca598460bd1da4ed6c352f9b5d4cc109d26f70ca0f731c3181e084b937f8042

Aliases

arxiv: math/9709213 · arxiv_version: math/9709213v1 · doi: 10.48550/arxiv.math/9709213 · pith_short_12: 3SSZQRQL2HNE · pith_short_16: 3SSZQRQL2HNE5VWD · pith_short_8: 3SSZQRQL

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/3SSZQRQL2HNE5VWDKL43LVGMCC \
  | 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: dca598460bd1da4ed6c352f9b5d4cc109d26f70ca0f731c3181e084b937f8042

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e227c0fbd150459a2d82a9846399b20f64790a2e4c3c4548ab66894aa578e142",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.FA",
    "submitted_at": "1997-09-11T00:00:00Z",
    "title_canon_sha256": "ada815ae55a911b9c53f6dbac6fa2ed1c73062415d43bc1b32462cc799ee9e41"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/9709213",
    "kind": "arxiv",
    "version": 1
  }
}