Pith Number

pith:SJ6WQ22P

pith:2005:SJ6WQ22P4MJVD62Q4HXHYFI4LS

not attested not anchored not stored refs pending

Self-adjoint difference operators and classical solutions to the Stieltjes--Wigert moment problem

Erik Koelink, Jacob S. Christiansen

arxiv:math/0504456 v2 · 2005-04-22 · math.CA · 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{SJ6WQ22P4MJVD62Q4HXHYFI4LS}

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	2026-05-18T04:37:20.991718Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

927d686b4fe31351fb50e1ee7c151c5c9d779086899d42b4c391b4c51cfec195

Aliases

arxiv: math/0504456 · arxiv_version: math/0504456v2 · doi: 10.48550/arxiv.math/0504456 · pith_short_12: SJ6WQ22P4MJV · pith_short_16: SJ6WQ22P4MJVD62Q · pith_short_8: SJ6WQ22P

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/SJ6WQ22P4MJVD62Q4HXHYFI4LS \
  | 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: 927d686b4fe31351fb50e1ee7c151c5c9d779086899d42b4c391b4c51cfec195

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4590609d5f02d24ec882b8ca3d2dbf4b619dd0055ae8e7e06c6e4b5131a5883",
    "cross_cats_sorted": [
      "math.FA"
    ],
    "license": "",
    "primary_cat": "math.CA",
    "submitted_at": "2005-04-22T12:01:54Z",
    "title_canon_sha256": "c39635e9d590d2198a32d060092f3a6e2179dda3fd7e8a3ad0f0f2a712ab3079"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0504456",
    "kind": "arxiv",
    "version": 2
  }
}