pith. sign in
Pith Number

pith:74A4YJX7

pith:2016:74A4YJX7HWDRURR73EQHQVVOOF
not attested not anchored not stored refs pending

PetIGA-MF: a multi-field high-performance toolbox for structure-preserving B-splines spaces

A. F. Sarmiento, A. M. A. Cortes, D. A. Garcia, L. Dalcin, N. Collier, V. M. Calo

arxiv:1602.08727 v1 · 2016-02-28 · math.NA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{74A4YJX7HWDRURR73EQHQVVOOF}

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 2026-05-18T01:19:52.079953Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

ff01cc26ff3d871a463fd9207856ae714f124d0b44b0fb41b365ae7b3fd82baf

Aliases

arxiv: 1602.08727 · arxiv_version: 1602.08727v1 · doi: 10.48550/arxiv.1602.08727 · pith_short_12: 74A4YJX7HWDR · pith_short_16: 74A4YJX7HWDRURR7 · pith_short_8: 74A4YJX7
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/74A4YJX7HWDRURR73EQHQVVOOF \
  | 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: ff01cc26ff3d871a463fd9207856ae714f124d0b44b0fb41b365ae7b3fd82baf
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "1d77d4d371862d49a4a110ad01fa0b8c09ecb5662deaae17f638e9905fea4fff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-02-28T14:59:41Z",
    "title_canon_sha256": "d3e58e8249f4f871a41f1a08587787e05b993f436f7d1be0767dad93d298e243"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.08727",
    "kind": "arxiv",
    "version": 1
  }
}