Pith Number

pith:5LLILKRE

pith:2022:5LLILKREZFE67U34C4BWVS7KBT

not attested not anchored not stored refs pending

2D Eigenvalue Problem II: Rayleigh Quotient Iteration and Applications

Tianyi Lu, Yangfeng Su, Zhaojun Bai

arxiv:2209.12040 v1 · 2022-09-24 · math.NA · cs.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{5LLILKREZFE67U34C4BWVS7KBT}

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	2026-07-05T05:00:48.225297Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ead685aa24c949efd37c17036acbea0ce9ccc4efaf8fc357d98503e87cf9f8c7

Aliases

arxiv: 2209.12040 · arxiv_version: 2209.12040v1 · doi: 10.48550/arxiv.2209.12040 · pith_short_12: 5LLILKREZFE6 · pith_short_16: 5LLILKREZFE67U34 · pith_short_8: 5LLILKRE

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/5LLILKREZFE67U34C4BWVS7KBT \
  | 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: ead685aa24c949efd37c17036acbea0ce9ccc4efaf8fc357d98503e87cf9f8c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34fdb724c54bec0419367775122c08ad1f2492bad2874ab0c3a597f1049bec8c",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2022-09-24T15:50:57Z",
    "title_canon_sha256": "d3154970916f8bf11f6f286a05ab02d23c68374dddfc83f537483c3c825e1151"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2209.12040",
    "kind": "arxiv",
    "version": 1
  }
}