Pith Number

pith:FXQTZ2XU

pith:2015:FXQTZ2XUNMEUYVVJCVLVKBTOUU

not attested not anchored not stored refs pending

Problem of Estimation of Fractional Derivative for a Spectral Function of Gaussian Stationary Processes

E. Ostrovsky, L. Sirota

arxiv:1504.04105 v1 · 2015-04-16 · math.ST · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FXQTZ2XUNMEUYVVJCVLVKBTOUU}

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	2026-05-18T02:18:39.870666Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2de13ceaf46b094c56a9155755066ea52999da9ef2cd5211d8521b7cb3b3dc79

Aliases

arxiv: 1504.04105 · arxiv_version: 1504.04105v1 · doi: 10.48550/arxiv.1504.04105 · pith_short_12: FXQTZ2XUNMEU · pith_short_16: FXQTZ2XUNMEUYVVJ · pith_short_8: FXQTZ2XU

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/FXQTZ2XUNMEUYVVJCVLVKBTOUU \
  | 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: 2de13ceaf46b094c56a9155755066ea52999da9ef2cd5211d8521b7cb3b3dc79

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df985851d32e2e763d59d635f1250b50984331e49f1f9f25600ed076b69553a2",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2015-04-16T06:11:31Z",
    "title_canon_sha256": "688840345cadfc479addbc9aad9cd04d784464de90fd97c65277e3bd4624fd52"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.04105",
    "kind": "arxiv",
    "version": 1
  }
}