Pith Number

pith:YY7S5TCV

pith:2017:YY7S5TCV5WRVI2GRDI4NSNJL53

not attested not anchored not stored refs pending

An improved Krylov eigenvalue strategy using the FEAST algorithm with inexact system solves

Brendan Gavin, Eric Polizzi

arxiv:1706.00692 v1 · 2017-06-02 · math.NA · cs.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{YY7S5TCV5WRVI2GRDI4NSNJL53}

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	2026-05-18T00:43:10.301896Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c63f2ecc55eda35468d11a38d9352beedf8c89cf1d26a7ddf788256eaeeedb54

Aliases

arxiv: 1706.00692 · arxiv_version: 1706.00692v1 · doi: 10.48550/arxiv.1706.00692 · pith_short_12: YY7S5TCV5WRV · pith_short_16: YY7S5TCV5WRVI2GR · pith_short_8: YY7S5TCV

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/YY7S5TCV5WRVI2GRDI4NSNJL53 \
  | 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: c63f2ecc55eda35468d11a38d9352beedf8c89cf1d26a7ddf788256eaeeedb54

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6971ea435010017483806f34cef1b2e3eaa95810d84aec02840c8238472d63db",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-06-02T14:16:50Z",
    "title_canon_sha256": "e5a342b583f99be9dcdc0d3d7f75459f9be7e696c164211b77759facc7c4e78c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.00692",
    "kind": "arxiv",
    "version": 1
  }
}