Pith Number

pith:KJFHAMZI

pith:2012:KJFHAMZIQW5YT4DXFV74DOXAOA

not attested not anchored not stored refs pending

Harmonic and Refined Harmonic Shift-Invert Residual Arnoldi and Jacobi--Davidson Methods for Interior Eigenvalue Problems

Cen Li, Zhongxiao Jia

arxiv:1210.4658 v2 · 2012-10-17 · 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{KJFHAMZIQW5YT4DXFV74DOXAOA}

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	2026-05-18T02:23:35.732105Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

524a70332885bb89f0772d7fc1bae0703fde34acb05980ef04e7351c9c8e9496

Aliases

arxiv: 1210.4658 · arxiv_version: 1210.4658v2 · doi: 10.48550/arxiv.1210.4658 · pith_short_12: KJFHAMZIQW5Y · pith_short_16: KJFHAMZIQW5YT4DX · pith_short_8: KJFHAMZI

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/KJFHAMZIQW5YT4DXFV74DOXAOA \
  | 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: 524a70332885bb89f0772d7fc1bae0703fde34acb05980ef04e7351c9c8e9496

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1197e55aa1bf49e595cf8eec096242b0ea022e7d9530dda5ca00352625f8deea",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2012-10-17T07:52:52Z",
    "title_canon_sha256": "0cffcbece729af5c401984eacd4edc8af78197dab64ff952adb0e087fb66ea5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.4658",
    "kind": "arxiv",
    "version": 2
  }
}