pith. sign in
Pith Number

pith:NA2OFN7X

pith:2014:NA2OFN7XCO57I247HMV6ER7K2A
not attested not anchored not stored refs pending

Well Posedness of the Problem of Estimation Fractional Derivative for a Distribution Function

E.Ostrovsky, L.Sirota

arxiv:1412.6829 v1 · 2014-12-21 · math.ST · stat.TH

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{NA2OFN7XCO57I247HMV6ER7K2A}

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 2026-05-18T02:30:46.123348Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

6834e2b7f713bbf46b9f3b2be247ead02f217cbb0c291146f72712dfe8e215b9

Aliases

arxiv: 1412.6829 · arxiv_version: 1412.6829v1 · doi: 10.48550/arxiv.1412.6829 · pith_short_12: NA2OFN7XCO57 · pith_short_16: NA2OFN7XCO57I247 · pith_short_8: NA2OFN7X
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/NA2OFN7XCO57I247HMV6ER7K2A \
  | 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: 6834e2b7f713bbf46b9f3b2be247ead02f217cbb0c291146f72712dfe8e215b9
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "d2ddef79b462d70527358f722c6a6d1981161fd39ad5286d94c97c4fe797a491",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2014-12-21T20:14:31Z",
    "title_canon_sha256": "5fc273bb9e0809aa96af2407fbc7a95c7d0917c4ac12fbc458bf982db8462e06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.6829",
    "kind": "arxiv",
    "version": 1
  }
}