Pith Number

pith:NFBHNCVB

pith:2024:NFBHNCVBQQDDHWFRVMDBGQN3SR

not attested not anchored not stored refs pending

Computing asymptotic eigenvectors and eigenvalues of perturbed symmetric matrices

Konstantin Usevich (CRAN), Simon Barthelme (GIPSA-GAIA)

arxiv:2407.17047 v2 · 2024-07-24 · 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{NFBHNCVBQQDDHWFRVMDBGQN3SR}

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	2026-07-05T11:32:16.613717Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6942768aa1840633d8b1ab061341bb945ec8c14e3dc66b6491feeaeaab7abe1a

Aliases

arxiv: 2407.17047 · arxiv_version: 2407.17047v2 · doi: 10.48550/arxiv.2407.17047 · pith_short_12: NFBHNCVBQQDD · pith_short_16: NFBHNCVBQQDDHWFR · pith_short_8: NFBHNCVB

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/NFBHNCVBQQDDHWFRVMDBGQN3SR \
  | 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: 6942768aa1840633d8b1ab061341bb945ec8c14e3dc66b6491feeaeaab7abe1a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dbebc2de15e99578f25ce0b9b1de8c41d27e3511cc4159916327471b63ea9d8f",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2024-07-24T07:13:27Z",
    "title_canon_sha256": "154bf8ba0fe6f1e7624ce960048620a8f06c987a54b1c16b92049cb3500c93ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2407.17047",
    "kind": "arxiv",
    "version": 2
  }
}