pith. sign in
Pith Number

pith:CXWUIQ23

pith:2015:CXWUIQ23X3RIPQ7VX5WIFWJM6V
not attested not anchored not stored refs pending

Nonsymmetric and Symmetric Fractional Calculi on Arbitrary Nonempty Closed Sets

Artur M. C. Brito da Cruz, Delfim F. M. Torres, Nadia Benkhettou

arxiv:1502.07277 v1 · 2015-02-25 · math.CA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{CXWUIQ23X3RIPQ7VX5WIFWJM6V}

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 2026-05-18T01:23:38.487108Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

15ed44435bbee287c3f5bf6c82d92cf5478ad114332a06d0a9f90dfce0cdc645

Aliases

arxiv: 1502.07277 · arxiv_version: 1502.07277v1 · doi: 10.48550/arxiv.1502.07277 · pith_short_12: CXWUIQ23X3RI · pith_short_16: CXWUIQ23X3RIPQ7V · pith_short_8: CXWUIQ23
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/CXWUIQ23X3RIPQ7VX5WIFWJM6V \
  | 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: 15ed44435bbee287c3f5bf6c82d92cf5478ad114332a06d0a9f90dfce0cdc645
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "842bac0cecb2cc118abe423d8c8a8c56af43832180e1063fcf2170e2fd0ca4f4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2015-02-25T18:01:58Z",
    "title_canon_sha256": "0f645b268e64d0cf85983746b4cd3890822f2af3f0c68f3968fd026959178051"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.07277",
    "kind": "arxiv",
    "version": 1
  }
}