Pith Number

pith:M63GKRP2

pith:2015:M63GKRP2OYF2DUICNTT5XCUKOM

not attested not anchored not stored refs pending

A Contour-integral Based QZ Algorithm for Generalized Eigenvalue Problems

Guojian Yin

arxiv:1508.04192 v1 · 2015-08-18 · 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{M63GKRP2OYF2DUICNTT5XCUKOM}

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	2026-05-18T01:35:06.052765Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67b66545fa760ba1d1026ce7db8a8a73280445c527deff98acfe37fc6d2a8255

Aliases

arxiv: 1508.04192 · arxiv_version: 1508.04192v1 · doi: 10.48550/arxiv.1508.04192 · pith_short_12: M63GKRP2OYF2 · pith_short_16: M63GKRP2OYF2DUIC · pith_short_8: M63GKRP2

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/M63GKRP2OYF2DUICNTT5XCUKOM \
  | 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: 67b66545fa760ba1d1026ce7db8a8a73280445c527deff98acfe37fc6d2a8255

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "589edd6b49b5ea5139ac242eb789b37688288633c986cd91aec1cd83cac44ac8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-08-18T01:56:58Z",
    "title_canon_sha256": "abc6f00adfaaaf484afe07969027e688e7908cfe4e0cd55a870c6861e63f4952"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.04192",
    "kind": "arxiv",
    "version": 1
  }
}