Pith Number

pith:OKSWE46R

pith:2017:OKSWE46RMPQHPE77GRS5DGMQMS

not attested not anchored not stored refs pending

Fractional derivative in spaces of continuous functions

Davide Guidetti

arxiv:1707.02093 v1 · 2017-07-07 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OKSWE46RMPQHPE77GRS5DGMQMS}

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	2026-05-18T00:40:42.982152Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

72a56273d163e07793ff3465d1999064b68fd32b82cfb8221bbc06b82d8937b8

Aliases

arxiv: 1707.02093 · arxiv_version: 1707.02093v1 · doi: 10.48550/arxiv.1707.02093 · pith_short_12: OKSWE46RMPQH · pith_short_16: OKSWE46RMPQHPE77 · pith_short_8: OKSWE46R

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/OKSWE46RMPQHPE77GRS5DGMQMS \
  | 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: 72a56273d163e07793ff3465d1999064b68fd32b82cfb8221bbc06b82d8937b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18e40acb5a374a982e1b0c521cdd4bbc36a3d9396305079b642df825810e0b51",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-07-07T09:17:34Z",
    "title_canon_sha256": "f52a70c72e8b60722849c2c71f8dca9275cc5b0f5fadda85f46e3030fa9316c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.02093",
    "kind": "arxiv",
    "version": 1
  }
}