Pith Number

pith:AXR2MU2J

pith:2015:AXR2MU2J2TOMA3IBDKNSFBCTQA

not attested not anchored not stored refs pending

Improved Analyses of the Randomized Power Method and Block Lanczos Method

Shusen Wang, Tong Zhang, Zhihua Zhang

arxiv:1508.06429 v2 · 2015-08-26 · cs.NA · 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{AXR2MU2J2TOMA3IBDKNSFBCTQA}

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	2026-05-18T01:24:06.561299Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

05e3a65349d4dcc06d011a9b228453800b37bd88f17a88f8091725f428a14366

Aliases

arxiv: 1508.06429 · arxiv_version: 1508.06429v2 · doi: 10.48550/arxiv.1508.06429 · pith_short_12: AXR2MU2J2TOM · pith_short_16: AXR2MU2J2TOMA3IB · pith_short_8: AXR2MU2J

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/AXR2MU2J2TOMA3IBDKNSFBCTQA \
  | 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: 05e3a65349d4dcc06d011a9b228453800b37bd88f17a88f8091725f428a14366

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa936e34a68803dd1454e14125a18f1d2dfd067f17d44d90a1e43db61c8b774e",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2015-08-26T09:58:30Z",
    "title_canon_sha256": "502019c0b1fa994f67fa6c16579e689163395b164d1e9af2025cfe09b8e3849a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.06429",
    "kind": "arxiv",
    "version": 2
  }
}