Pith Number

pith:HR2BYFGJ

pith:2014:HR2BYFGJMANABC5X4XSFXIR22T

not attested not anchored not stored refs pending

A FEAST Algorithm with oblique projection for generalized eigenvalue problems

Guojian Yin, Man-Chung Yeung, Raymond H. Chan

arxiv:1404.1768 v4 · 2014-04-07 · 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{HR2BYFGJMANABC5X4XSFXIR22T}

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	2026-05-18T01:55:43.213499Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c741c14c9601a008bb7e5e45ba23ad4df7226053e8b65b6fd950c0b8c7d44b5

Aliases

arxiv: 1404.1768 · arxiv_version: 1404.1768v4 · doi: 10.48550/arxiv.1404.1768 · pith_short_12: HR2BYFGJMANA · pith_short_16: HR2BYFGJMANABC5X · pith_short_8: HR2BYFGJ

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/HR2BYFGJMANABC5X4XSFXIR22T \
  | 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: 3c741c14c9601a008bb7e5e45ba23ad4df7226053e8b65b6fd950c0b8c7d44b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c192323ac92dbf376a2a173e4d0518ed9c8dec312403ddf0d94ecad7230223a3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-04-07T12:45:49Z",
    "title_canon_sha256": "316f397a6603ea0aee7267aa34271aaa38c276d5dc0ea95cf7f3f9b13ad3c7a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.1768",
    "kind": "arxiv",
    "version": 4
  }
}