Pith Number

pith:GKV6ZF32

pith:2018:GKV6ZF32HRHKS3JXKS23633G5C

not attested not anchored not stored refs pending

Interrogation of spline surfaces with application to isogeometric design and analysis of lattice-skin structures

Fehmi Cirak, Malcolm Sabin, Xiao Xiao

arxiv:1810.07982 v2 · 2018-10-18 · math.NA · cs.GR · cs.NA · math.AG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GKV6ZF32HRHKS3JXKS23633G5C}

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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	2026-05-17T23:46:29.722882Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

32abec977a3c4ea96d3754b5bf6f66e8acdb1502234f57149ef24a3ab6049ae4

Aliases

arxiv: 1810.07982 · arxiv_version: 1810.07982v2 · doi: 10.48550/arxiv.1810.07982 · pith_short_12: GKV6ZF32HRHK · pith_short_16: GKV6ZF32HRHKS3JX · pith_short_8: GKV6ZF32

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/GKV6ZF32HRHKS3JXKS23633G5C \
  | 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: 32abec977a3c4ea96d3754b5bf6f66e8acdb1502234f57149ef24a3ab6049ae4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "274eeb7d3eb1ce15588f57e7ea3154e3c08b7891bf8ef0007a9ff56d78cf50eb",
    "cross_cats_sorted": [
      "cs.GR",
      "cs.NA",
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-10-18T10:26:51Z",
    "title_canon_sha256": "6499301165624bca2b6ed240bd348c53d76fc8be1fd7696deba44d5329657a93"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.07982",
    "kind": "arxiv",
    "version": 2
  }
}