Pith Number

pith:OHHC7VNA

pith:2014:OHHC7VNABZIZISMBHNFONBC42P

not attested not anchored not stored refs pending

New rigorous perturbation bounds for the generalized Cholesky factorization

Hanyu Li, Yanfei Yang

arxiv:1409.6069 v1 · 2014-09-22 · 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{OHHC7VNABZIZISMBHNFONBC42P}

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	2026-05-18T02:42:13.825064Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

71ce2fd5a00e519449813b4ae6845cd3fd705dc764a70905d39ee9421e4b257e

Aliases

arxiv: 1409.6069 · arxiv_version: 1409.6069v1 · doi: 10.48550/arxiv.1409.6069 · pith_short_12: OHHC7VNABZIZ · pith_short_16: OHHC7VNABZIZISMB · pith_short_8: OHHC7VNA

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/OHHC7VNABZIZISMBHNFONBC42P \
  | 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: 71ce2fd5a00e519449813b4ae6845cd3fd705dc764a70905d39ee9421e4b257e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8799890a27e42761dad14f0cb414b48b2d3868861d800c5e2df44a4c2caf963c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-09-22T02:31:27Z",
    "title_canon_sha256": "5c23bc2e7b7c37c8e87457c83a9e98051295d39a9a84c849488ad3e6508bd451"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.6069",
    "kind": "arxiv",
    "version": 1
  }
}