Pith Number

pith:OYE3SELY

pith:2018:OYE3SELYWAMUO2YXU2QWCGC5JK

not attested not anchored not stored refs pending

Randomized sampling for basis functions construction in generalized finite element methods

Jianfeng Lu, Ke Chen, Qin Li, Stephen J. Wright

arxiv:1801.06938 v2 · 2018-01-22 · math.OC · 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{OYE3SELYWAMUO2YXU2QWCGC5JK}

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	2026-05-17T23:57:59.565541Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7609b91178b019476b17a6a161185d4a8c5d493af8010fe493903c2e4fed4ed8

Aliases

arxiv: 1801.06938 · arxiv_version: 1801.06938v2 · doi: 10.48550/arxiv.1801.06938 · pith_short_12: OYE3SELYWAMU · pith_short_16: OYE3SELYWAMUO2YX · pith_short_8: OYE3SELY

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/OYE3SELYWAMUO2YXU2QWCGC5JK \
  | 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: 7609b91178b019476b17a6a161185d4a8c5d493af8010fe493903c2e4fed4ed8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bfc7fa3a8dffbb09dfad203fe2964a7fd40552b608cac098af0be11c7e761e83",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-01-22T02:33:24Z",
    "title_canon_sha256": "71f5742e7d9f355dc6bd953b32a57824d1f1d76371ede3effbc74ed87e99ad7e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.06938",
    "kind": "arxiv",
    "version": 2
  }
}