Pith Number

pith:CF3A4EOS

pith:2016:CF3A4EOSLIVJYYTJ4NAEE4QPFA

not attested not anchored not stored refs pending

On algorithmization of Janashia-Lagvilava matrix spectral factorization method

F. Saied, I. Spitkovsky, L. Ephremidze

arxiv:1606.04909 v2 · 2016-06-15 · 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{CF3A4EOSLIVJYYTJ4NAEE4QPFA}

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	2026-05-18T00:48:32.849328Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11760e11d25a2a9c6269e34042720f2833addcfc3654c38cfcdc3b13f23e1b18

Aliases

arxiv: 1606.04909 · arxiv_version: 1606.04909v2 · doi: 10.48550/arxiv.1606.04909 · pith_short_12: CF3A4EOSLIVJ · pith_short_16: CF3A4EOSLIVJYYTJ · pith_short_8: CF3A4EOS

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/CF3A4EOSLIVJYYTJ4NAEE4QPFA \
  | 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: 11760e11d25a2a9c6269e34042720f2833addcfc3654c38cfcdc3b13f23e1b18

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af765ea7047f0a099b120d713b146fda7e05a0418fee52ed9664a48e6ec83dec",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-06-15T19:05:55Z",
    "title_canon_sha256": "7f3b3eed69357c904ad83a56fd4939bb39fd26f012433a36d62e81eff14ddd9a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.04909",
    "kind": "arxiv",
    "version": 2
  }
}