Pith Number

pith:LQDWSLRI

pith:2016:LQDWSLRI6OIKRSMWGKPVENCCOJ

not attested not anchored not stored refs pending

Three methods for two-sided bounds of eigenvalues - a comparison

Tomas Vejchodsky

arxiv:1602.08961 v2 · 2016-02-29 · 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{LQDWSLRI6OIKRSMWGKPVENCCOJ}

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	2026-05-18T00:26:37.958464Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c07692e28f390a8c996329f52344272739fcfc63f55d645ad68b946e92f1b51

Aliases

arxiv: 1602.08961 · arxiv_version: 1602.08961v2 · doi: 10.48550/arxiv.1602.08961 · pith_short_12: LQDWSLRI6OIK · pith_short_16: LQDWSLRI6OIKRSMW · pith_short_8: LQDWSLRI

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/LQDWSLRI6OIKRSMWGKPVENCCOJ \
  | 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: 5c07692e28f390a8c996329f52344272739fcfc63f55d645ad68b946e92f1b51

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "351cec11e2eac423dccd968c3fdfe1057e86568580cda07b3e795903ec7f6818",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-02-29T13:59:23Z",
    "title_canon_sha256": "5986fb931e6ccf483266b024f1ebf21de47f61e2e17aa86c56f5693e1ac009f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.08961",
    "kind": "arxiv",
    "version": 2
  }
}