Pith Number

pith:MCUTNKFE

pith:2025:MCUTNKFEMHDLBWMSRK6EPWEZ7V

not attested not anchored not stored refs pending

A Bi-Orthogonal Structure-Preserving eigensolver for large-scale linear response eigenvalue problem

Yong Zhang, Yu Li, Zijing Wang

arxiv:2506.08355 v1 · 2025-06-10 · 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{MCUTNKFEMHDLBWMSRK6EPWEZ7V}

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	2026-07-05T11:18:48.463070Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

60a936a8a461c6b0d9928abc47d899fd47102f974e4b32cb6dad8efdca68913d

Aliases

arxiv: 2506.08355 · arxiv_version: 2506.08355v1 · doi: 10.48550/arxiv.2506.08355 · pith_short_12: MCUTNKFEMHDL · pith_short_16: MCUTNKFEMHDLBWMS · pith_short_8: MCUTNKFE

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/MCUTNKFEMHDLBWMSRK6EPWEZ7V \
  | 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: 60a936a8a461c6b0d9928abc47d899fd47102f974e4b32cb6dad8efdca68913d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ab1f3cd8009e6119884f0c971b05a91275693596ddd46cabd2dfdce9e2c7430",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2025-06-10T02:13:02Z",
    "title_canon_sha256": "3d344ff118efa7d7eb9df2c94993f8ccbc1ee78d3eae60deebb87b9011885bf8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.08355",
    "kind": "arxiv",
    "version": 1
  }
}