Pith Number

pith:7GA7XL2N

pith:2017:7GA7XL2NGVHCJHL2BCTGUS4DFG

not attested not anchored not stored refs pending

A truncated $\mathcal{V}$-fractional derivative in $\mathbb{R}^n$

E. Capelas de Oliveira, J. Vanterler da C. Sousa

arxiv:1706.06164 v1 · 2017-06-19 · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7GA7XL2NGVHCJHL2BCTGUS4DFG}

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	2026-05-18T00:42:04.104435Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f981fbaf4d354e249d7a08a66a4b832990b3820eb19191a3a85f3a7ffac1c312

Aliases

arxiv: 1706.06164 · arxiv_version: 1706.06164v1 · doi: 10.48550/arxiv.1706.06164 · pith_short_12: 7GA7XL2NGVHC · pith_short_16: 7GA7XL2NGVHCJHL2 · pith_short_8: 7GA7XL2N

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/7GA7XL2NGVHCJHL2BCTGUS4DFG \
  | 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: f981fbaf4d354e249d7a08a66a4b832990b3820eb19191a3a85f3a7ffac1c312

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58791687af135293a0576454c5110983a9a5daa644d98a5a1982346ec84333ad",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2017-06-19T20:20:10Z",
    "title_canon_sha256": "41454d69a7a7e6fea628fb1ed67e5e80af24090bdb3819c0f4eaafc6dd4843d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.06164",
    "kind": "arxiv",
    "version": 1
  }
}