Pith Number

pith:AWXPQO4S

pith:2015:AWXPQO4SY6HZP3JXIVKIVHYMV3

not attested not anchored not stored refs pending

Inverse subspace iteration for spectral stochastic finite element methods

Bed\v{r}ich Soused\'ik, Howard C. Elman

arxiv:1512.04613 v1 · 2015-12-15 · math.NA · math.PR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AWXPQO4SY6HZP3JXIVKIVHYMV3}

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	2026-05-18T01:19:25.663839Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

05aef83b92c78f97ed3745548a9f0caec56c6773529bd147748d004ef9fc6427

Aliases

arxiv: 1512.04613 · arxiv_version: 1512.04613v1 · doi: 10.48550/arxiv.1512.04613 · pith_short_12: AWXPQO4SY6HZ · pith_short_16: AWXPQO4SY6HZP3JX · pith_short_8: AWXPQO4S

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/AWXPQO4SY6HZP3JXIVKIVHYMV3 \
  | 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: 05aef83b92c78f97ed3745548a9f0caec56c6773529bd147748d004ef9fc6427

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "59aea3beccb66db7d72d7d13d2c8174e4520f5cf2936c408fecd11ad6eca00f3",
    "cross_cats_sorted": [
      "math.PR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-12-15T00:16:26Z",
    "title_canon_sha256": "0631599082ec4c9797489ad11ab44abb630fcd40de3d4713c4d59d47b0d30dca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.04613",
    "kind": "arxiv",
    "version": 1
  }
}