Pith Number

pith:VKLP2ZI7

pith:2015:VKLP2ZI72JXEKC3VKG6QXHILUO

not attested not anchored not stored refs pending

Pipelined, Flexible Krylov Subspace Methods

Dave. A. May, Patrick Sanan, Sascha M. Schnepp

arxiv:1511.07226 v2 · 2015-11-23 · 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{VKLP2ZI72JXEKC3VKG6QXHILUO}

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	2026-05-18T01:04:37.713191Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa96fd651fd26e450b7551bd0b9d0ba3999fb159691e483cf4abfe624a642a0b

Aliases

arxiv: 1511.07226 · arxiv_version: 1511.07226v2 · doi: 10.48550/arxiv.1511.07226 · pith_short_12: VKLP2ZI72JXE · pith_short_16: VKLP2ZI72JXEKC3V · pith_short_8: VKLP2ZI7

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/VKLP2ZI72JXEKC3VKG6QXHILUO \
  | 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: aa96fd651fd26e450b7551bd0b9d0ba3999fb159691e483cf4abfe624a642a0b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "059597a0e15711367479938394e35e404d9005fd1f2408c769ced26f6226059d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-11-23T14:00:42Z",
    "title_canon_sha256": "d19da9c9819e55edfc279d1bff6643dfadf1c78c7a9cc95e6500a8a38af81ca5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.07226",
    "kind": "arxiv",
    "version": 2
  }
}