Pith Number

pith:L7C4FMUX

pith:2007:L7C4FMUXEP7KELOU3UOQIIGHC7

not attested not anchored not stored refs pending

Fractional Derivative as Fractional Power of Derivative

Vasily E. Tarasov

arxiv:0711.2567 v1 · 2007-11-16 · nlin.CD

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L7C4FMUXEP7KELOU3UOQIIGHC7}

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	2026-05-18T02:23:48.341761Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5fc5c2b29723fea22dd4dd1d0420c717f329a9a9b3f1b224bc8a5c701c1c19cf

Aliases

arxiv: 0711.2567 · arxiv_version: 0711.2567v1 · doi: 10.48550/arxiv.0711.2567 · pith_short_12: L7C4FMUXEP7K · pith_short_16: L7C4FMUXEP7KELOU · pith_short_8: L7C4FMUX

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/L7C4FMUXEP7KELOU3UOQIIGHC7 \
  | 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: 5fc5c2b29723fea22dd4dd1d0420c717f329a9a9b3f1b224bc8a5c701c1c19cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22829969c7c7a4e38261a4483ebd5bd3a18ae23b8e02f2207141ab8e00585b17",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "nlin.CD",
    "submitted_at": "2007-11-16T08:22:29Z",
    "title_canon_sha256": "87406339b297d35cbe647e37c9c86fb298cfd935a5e7129d46a3ba1cf82467b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0711.2567",
    "kind": "arxiv",
    "version": 1
  }
}