Pith Number

pith:742XVVHC

pith:2021:742XVVHCKTPWYYDXCY2RSJTYIQ

not attested not anchored not stored refs pending

Performance of Refined Isogeometric Analysis in Solving Quadratic Eigenvalue Problems

Ali Hashemian, Daniel Garcia, David Pardo, Victor M. Calo

arxiv:2112.14064 v1 · 2021-12-28 · 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{742XVVHCKTPWYYDXCY2RSJTYIQ}

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	2026-07-05T04:43:38.253486Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff357ad4e254df6c607716351926784422a0b4be690d6511e3537f067995ec85

Aliases

arxiv: 2112.14064 · arxiv_version: 2112.14064v1 · doi: 10.48550/arxiv.2112.14064 · pith_short_12: 742XVVHCKTPW · pith_short_16: 742XVVHCKTPWYYDX · pith_short_8: 742XVVHC

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/742XVVHCKTPWYYDXCY2RSJTYIQ \
  | 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: ff357ad4e254df6c607716351926784422a0b4be690d6511e3537f067995ec85

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a10ac035e5e7a716e98e46a264b1ea700f223a40770466e038a951a8311f0202",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2021-12-28T09:24:01Z",
    "title_canon_sha256": "6872534b041e0a5644ed91d141b9db6446324cdbf614722cf94df056d27fc022"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.14064",
    "kind": "arxiv",
    "version": 1
  }
}