Pith Number

pith:ITU3PIYL

pith:2015:ITU3PIYLEC7QBD2TUFNNOXUU3L

not attested not anchored not stored refs pending

Generalized preconditioned locally harmonic residual method for non-Hermitian eigenproblems

Chao Yang, Eugene Vecharynski, Fei Xue

arxiv:1506.06829 v1 · 2015-06-23 · 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{ITU3PIYLEC7QBD2TUFNNOXUU3L}

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	2026-05-18T01:40:55.869189Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44e9b7a30b20bf008f53a15ad75e94dac713496628a0cd9b770a758b84148c4b

Aliases

arxiv: 1506.06829 · arxiv_version: 1506.06829v1 · doi: 10.48550/arxiv.1506.06829 · pith_short_12: ITU3PIYLEC7Q · pith_short_16: ITU3PIYLEC7QBD2T · pith_short_8: ITU3PIYL

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/ITU3PIYLEC7QBD2TUFNNOXUU3L \
  | 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: 44e9b7a30b20bf008f53a15ad75e94dac713496628a0cd9b770a758b84148c4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d1df9b3315453736005dfc8a4beac54bf991cf3697effdff75860a7de816daa2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-06-23T00:08:39Z",
    "title_canon_sha256": "3fc0ab82c90508bf343ddae85a1fda7c93252f3e7d9e324012cb358b8d48a51a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.06829",
    "kind": "arxiv",
    "version": 1
  }
}