Pith Number

pith:4XWXQVN2

pith:2011:4XWXQVN26MCYGACOOHHS3SQWCB

not attested not anchored not stored refs pending

Dynamics of the symmetric eigenvalue problem with shift strategies

Carlos Tomei, Nicolau C. Saldanha, Ricardo S. Leite

arxiv:1108.6030 v1 · 2011-08-30 · math.DS · 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{4XWXQVN26MCYGACOOHHS3SQWCB}

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	2026-05-18T03:49:32.910357Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5ed7855baf30583004e71cf2dca1610699461b0f074af797f09b7c50f598c4d

Aliases

arxiv: 1108.6030 · arxiv_version: 1108.6030v1 · doi: 10.48550/arxiv.1108.6030 · pith_short_12: 4XWXQVN26MCY · pith_short_16: 4XWXQVN26MCYGACO · pith_short_8: 4XWXQVN2

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/4XWXQVN26MCYGACOOHHS3SQWCB \
  | 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: e5ed7855baf30583004e71cf2dca1610699461b0f074af797f09b7c50f598c4d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1f1c5b61bed91729c69539b0ec7a4b2be289ec72ff1707987df20ee797822ba",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2011-08-30T18:20:51Z",
    "title_canon_sha256": "ec12b2680e26ffd2b75e7ba0985d376fcb76975b79852a52ed266450b71f2169"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.6030",
    "kind": "arxiv",
    "version": 1
  }
}