Pith Number

pith:7PEJQHSX

pith:2018:7PEJQHSXN6XAE7OADVYCIHT5W6

not attested not anchored not stored refs pending

Subspace Methods for 3-Parameter Eigenvalue Problems

Bor Plestenjak, Emre Mengi, Karl Meerbergen, Michiel E. Hochstenbach

arxiv:1802.07386 v2 · 2018-02-21 · 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{7PEJQHSXN6XAE7OADVYCIHT5W6}

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	2026-06-04T19:11:32.183407Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fbc8981e576fae027dc01d70241e7db7a8e73ae5a887f5287a317f72a048abe1

Aliases

arxiv: 1802.07386 · arxiv_version: 1802.07386v2 · doi: 10.48550/arxiv.1802.07386 · pith_short_12: 7PEJQHSXN6XA · pith_short_16: 7PEJQHSXN6XAE7OA · pith_short_8: 7PEJQHSX

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/7PEJQHSXN6XAE7OADVYCIHT5W6 \
  | 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: fbc8981e576fae027dc01d70241e7db7a8e73ae5a887f5287a317f72a048abe1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1546dea3f7802a6565530d375e129b6f8ad4bdfa25432d880daeea83be685b9b",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-02-21T00:59:23Z",
    "title_canon_sha256": "47451ce1cdf687618afee78fe173564d323131eaa738dd7e6d006299709e801a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.07386",
    "kind": "arxiv",
    "version": 2
  }
}