Pith Number

pith:PTMSDIJN

pith:2017:PTMSDIJNQGZUTLAOWKGK6E6CXA

not attested not anchored not stored refs pending

On a fast Arnoldi method for BML matrices

Bernhard Beckermann (LPP), Clara Mertens, Raf Vandebril

arxiv:1702.00671 v1 · 2017-02-02 · math.NA · 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{PTMSDIJNQGZUTLAOWKGK6E6CXA}

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	2026-05-18T00:51:31.182545Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7cd921a12d81b349ac0eb28caf13c2b82a12e14bfe5191fe6b6f0f5c50bdfc84

Aliases

arxiv: 1702.00671 · arxiv_version: 1702.00671v1 · doi: 10.48550/arxiv.1702.00671 · pith_short_12: PTMSDIJNQGZU · pith_short_16: PTMSDIJNQGZUTLAO · pith_short_8: PTMSDIJN

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/PTMSDIJNQGZUTLAOWKGK6E6CXA \
  | 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: 7cd921a12d81b349ac0eb28caf13c2b82a12e14bfe5191fe6b6f0f5c50bdfc84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93dfce0655aa3657a46c602d9d0dcacb81a5899c08f12898e50c1a3406e3e6e0",
    "cross_cats_sorted": [
      "math.CA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-02-02T13:33:55Z",
    "title_canon_sha256": "1bfdbba4b14a98368a290e33f0a988cf552ffd4b63bb63aad40df7f1201ee6a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.00671",
    "kind": "arxiv",
    "version": 1
  }
}