Pith Number

pith:EZB2Y2KR

pith:2016:EZB2Y2KRKZWF3RIXL5AGLJARHN

not attested not anchored not stored refs pending

A remark on local fractional calculus and ordinary derivatives

Malgorzata Guzowska, Ricardo Almeida, Tatiana Odzijewicz

arxiv:1612.00214 v1 · 2016-12-01 · 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{EZB2Y2KRKZWF3RIXL5AGLJARHN}

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	2026-05-18T00:56:05.741274Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2643ac6951566c5dc5175f4065a4113b62cb14e44e7ca9a51a684d2156edd7e5

Aliases

arxiv: 1612.00214 · arxiv_version: 1612.00214v1 · doi: 10.48550/arxiv.1612.00214 · pith_short_12: EZB2Y2KRKZWF · pith_short_16: EZB2Y2KRKZWF3RIX · pith_short_8: EZB2Y2KR

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/EZB2Y2KRKZWF3RIXL5AGLJARHN \
  | 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: 2643ac6951566c5dc5175f4065a4113b62cb14e44e7ca9a51a684d2156edd7e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "776f54644064df876ce8a8acb701ee31c03feb7194cf16c402e363db0ebb65b0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2016-12-01T12:04:12Z",
    "title_canon_sha256": "1b1c88db5215d0763432cecaa6367e30325963f1cae602ee3fbfba97ed0b96da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.00214",
    "kind": "arxiv",
    "version": 1
  }
}