Pith Number

pith:2RQQX5ZW

pith:2017:2RQQX5ZWHXINZRNSE5OSYORA43

not attested not anchored not stored refs pending

Local Fractional Derivatives of Differentiable Functions are Integer-order Derivatives or Zero

Vasily E. Tarasov

arxiv:1701.06300 v2 · 2017-01-23 · math.CA · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2RQQX5ZWHXINZRNSE5OSYORA43}

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	2026-05-18T00:25:07.867825Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4610bf7363dd0dcc5b2275d2c3a20e6de26ea8d06e715a724bcc7f159965b3b

Aliases

arxiv: 1701.06300 · arxiv_version: 1701.06300v2 · doi: 10.48550/arxiv.1701.06300 · pith_short_12: 2RQQX5ZWHXIN · pith_short_16: 2RQQX5ZWHXINZRNS · pith_short_8: 2RQQX5ZW

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/2RQQX5ZWHXINZRNSE5OSYORA43 \
  | 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: d4610bf7363dd0dcc5b2275d2c3a20e6de26ea8d06e715a724bcc7f159965b3b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed496052827fd5c3229ba2815e4db3f33efdb94278f9009b23f82cf8eafe9834",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2017-01-23T08:55:34Z",
    "title_canon_sha256": "9be9aee35b23e97adb800da0e5c31daee3cb0e821791f90ecbcc7e1b6b082262"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.06300",
    "kind": "arxiv",
    "version": 2
  }
}