Pith Number

pith:AICLFUJW

pith:2017:AICLFUJW7SJWDSKAIWSUJ4ROVL

not attested not anchored not stored refs pending

A robust and efficient implementation of LOBPCG

Chao Yang, Jed A. Duersch, Meiyue Shao, Ming Gu

arxiv:1704.07458 v3 · 2017-04-24 · 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{AICLFUJW7SJWDSKAIWSUJ4ROVL}

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	2026-05-18T00:04:08.394616Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0204b2d136fc9361c94045a544f22eaacfda6a635639ebd8e40065f47cd200e4

Aliases

arxiv: 1704.07458 · arxiv_version: 1704.07458v3 · doi: 10.48550/arxiv.1704.07458 · pith_short_12: AICLFUJW7SJW · pith_short_16: AICLFUJW7SJWDSKA · pith_short_8: AICLFUJW

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/AICLFUJW7SJWDSKAIWSUJ4ROVL \
  | 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: 0204b2d136fc9361c94045a544f22eaacfda6a635639ebd8e40065f47cd200e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e08d9e0509239e3f20458fffc8ee94a57fd94ee3232e10ae75a32e5b844155b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-04-24T20:34:30Z",
    "title_canon_sha256": "b1ef5bfe1d0db4ff466c7c7d9241be792a2d34ce9dfac11b32e1724f54a4712d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.07458",
    "kind": "arxiv",
    "version": 3
  }
}