Pith Number

pith:ZSPUBXOC

pith:2016:ZSPUBXOCR6NUJRUDRTZIN3XENE

not attested not anchored not stored refs pending

On a Simultaneous Approach to the Even and Odd Truncated Matricial Stieltjes Moment Problem I: An $\alpha$-Schur-Stieltjes-type algorithm for sequences of complex matrices

Bernd Fritzsche, Bernd Kirstein, Conrad M\"adler

arxiv:1604.07240 v1 · 2016-04-25 · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZSPUBXOCR6NUJRUDRTZIN3XENE}

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	2026-05-18T01:16:22.641522Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc9f40ddc28f9b44c6838cf286eee4693cb9ba421c4228b97e4b6b53b2fc765c

Aliases

arxiv: 1604.07240 · arxiv_version: 1604.07240v1 · doi: 10.48550/arxiv.1604.07240 · pith_short_12: ZSPUBXOCR6NU · pith_short_16: ZSPUBXOCR6NUJRUD · pith_short_8: ZSPUBXOC

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/ZSPUBXOCR6NUJRUDRTZIN3XENE \
  | 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: cc9f40ddc28f9b44c6838cf286eee4693cb9ba421c4228b97e4b6b53b2fc765c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ef2c84d03a24b3bfbc594358c8bbe2a2406ff8fc8531be7fe1e0cd07fcfd3ad",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2016-04-25T13:11:44Z",
    "title_canon_sha256": "620c9595e9ffc7abf139929a04a10848ff5d3fdf32df28efb126f9e94f041400"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.07240",
    "kind": "arxiv",
    "version": 1
  }
}