Pith Number

pith:RC6EPWKY

pith:2017:RC6EPWKYSQDPZ623INVSRYRYKT

not attested not anchored not stored refs pending

Fast computation of spectral densities for generalized eigenvalue problems

Ruipeng Li, Yousef Saad, Yuanzhe Xi

arxiv:1706.06610 v1 · 2017-06-20 · 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{RC6EPWKYSQDPZ623INVSRYRYKT}

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	2026-05-18T00:41:57.432050Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

88bc47d9589406fcfb5b436b28e23854ee3584a8c4f87bb429b02940e3189a31

Aliases

arxiv: 1706.06610 · arxiv_version: 1706.06610v1 · doi: 10.48550/arxiv.1706.06610 · pith_short_12: RC6EPWKYSQDP · pith_short_16: RC6EPWKYSQDPZ623 · pith_short_8: RC6EPWKY

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/RC6EPWKYSQDPZ623INVSRYRYKT \
  | 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: 88bc47d9589406fcfb5b436b28e23854ee3584a8c4f87bb429b02940e3189a31

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a0b262881a627e1e5d897d8d71cff057010957c6b0ff326e36c9d48b6bb1075",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-06-20T18:07:46Z",
    "title_canon_sha256": "643c9d53e83e1ba288f42c11b709fbdb022af9f2239d8e298a9ad0be50f2c101"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.06610",
    "kind": "arxiv",
    "version": 1
  }
}