Pith Number

pith:5Z47O3GH

pith:2018:5Z47O3GH5HNM5EI432TQJRI7YQ

not attested not anchored not stored refs pending

Superlinear Convergence of Randomized Block Lanczos Algorithm

Bo Li, Ming Gu, Qiaochu Yuan

arxiv:1808.06287 v1 · 2018-08-20 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5Z47O3GH5HNM5EI432TQJRI7YQ}

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	2026-05-18T00:07:45.458624Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee79f76cc7e9dace911cdea704c51fc43a01cf46e3231e6e7936a9a296c547f8

Aliases

arxiv: 1808.06287 · arxiv_version: 1808.06287v1 · doi: 10.48550/arxiv.1808.06287 · pith_short_12: 5Z47O3GH5HNM · pith_short_16: 5Z47O3GH5HNM5EI4 · pith_short_8: 5Z47O3GH

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/5Z47O3GH5HNM5EI432TQJRI7YQ \
  | 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: ee79f76cc7e9dace911cdea704c51fc43a01cf46e3231e6e7936a9a296c547f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "231fad70cf399b554db95c2e4c31996ca930d9c928c0d716f369da0b37e6759d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-08-20T02:30:48Z",
    "title_canon_sha256": "e7d73e4e75ea364d8c2846a561062ef666d9a0f60d70fff3a0ea6a8233741e30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.06287",
    "kind": "arxiv",
    "version": 1
  }
}