Pith Number

pith:6D26XNIH

pith:2011:6D26XNIHCZQ3YPQKT3BNGKQ4ZA

not attested not anchored not stored refs pending

A Multi-level Correction Scheme for Eigenvalue Problems

Hehu Xie, Qun Lin

arxiv:1107.0223 v1 · 2011-07-01 · 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{6D26XNIHCZQ3YPQKT3BNGKQ4ZA}

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	2026-05-18T04:19:02.456139Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f0f5ebb5071661bc3e0a9ec2d32a1cc805059dd5656c7343eab1bb93f8efdb5b

Aliases

arxiv: 1107.0223 · arxiv_version: 1107.0223v1 · doi: 10.48550/arxiv.1107.0223 · pith_short_12: 6D26XNIHCZQ3 · pith_short_16: 6D26XNIHCZQ3YPQK · pith_short_8: 6D26XNIH

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/6D26XNIHCZQ3YPQKT3BNGKQ4ZA \
  | 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: f0f5ebb5071661bc3e0a9ec2d32a1cc805059dd5656c7343eab1bb93f8efdb5b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "579b78c78af5a163ce0745721a988ec7b808d209903b4b48e36137019ad57bb7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2011-07-01T13:45:36Z",
    "title_canon_sha256": "83239f13c44d7804e50e221a24c228fbea6ca82f654d634db142b87e0c37d2dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.0223",
    "kind": "arxiv",
    "version": 1
  }
}