Pith Number

pith:HLWRSJ4L

pith:2012:HLWRSJ4L7TE5FJSZ4I4QBRTF3S

not attested not anchored not stored refs pending

Strict localization of eigenvectors and eigenvalues

Jacek Tabor, {\L}ukasz Struski

arxiv:1210.8072 v1 · 2012-10-30 · 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{HLWRSJ4L7TE5FJSZ4I4QBRTF3S}

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	2026-05-18T03:41:57.141881Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3aed19278bfcc9d2a659e23900c665dcbd73dad37be6330d7c3dac25235654e0

Aliases

arxiv: 1210.8072 · arxiv_version: 1210.8072v1 · doi: 10.48550/arxiv.1210.8072 · pith_short_12: HLWRSJ4L7TE5 · pith_short_16: HLWRSJ4L7TE5FJSZ · pith_short_8: HLWRSJ4L

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/HLWRSJ4L7TE5FJSZ4I4QBRTF3S \
  | 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: 3aed19278bfcc9d2a659e23900c665dcbd73dad37be6330d7c3dac25235654e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cbdfb3e5323e34f9438fac320a333eff02b9b29d5f74b27d7c513ba6e58f78cf",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2012-10-30T16:31:08Z",
    "title_canon_sha256": "52edbb0a5cd7ef6c339b8c4ad9e6088fce78c1d98cb49d20823dab91bc35c908"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.8072",
    "kind": "arxiv",
    "version": 1
  }
}