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Pith Number

pith:UC34SEE4

pith:2014:UC34SEE4QYHLKE6FDFTLW3BBUK
not attested not anchored not stored refs pending

Optimal Collocation Nodes for Fractional Derivative Operators

Daniele Funaro, Lorella Fatone

arxiv:1407.0552 v1 · 2014-07-02 · math.NA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{UC34SEE4QYHLKE6FDFTLW3BBUK}

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 2026-05-18T00:19:59.723833Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

a0b7c9109c860eb513c51966bb6c21a2ae78f1e9d06e07d684ccc947f15cb5eb

Aliases

arxiv: 1407.0552 · arxiv_version: 1407.0552v1 · doi: 10.48550/arxiv.1407.0552 · pith_short_12: UC34SEE4QYHL · pith_short_16: UC34SEE4QYHLKE6F · pith_short_8: UC34SEE4
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/UC34SEE4QYHLKE6FDFTLW3BBUK \
  | 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: a0b7c9109c860eb513c51966bb6c21a2ae78f1e9d06e07d684ccc947f15cb5eb
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "37291a43060f15b7e36fb98c2c3108ce811dc43f123dc5a0e02b2f653715566c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-07-02T13:18:38Z",
    "title_canon_sha256": "6a63b3d7745cbae87ef69237c54ca2347ce3b8f8d78af419eba99792f45723c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.0552",
    "kind": "arxiv",
    "version": 1
  }
}