pith. sign in
Pith Number

pith:UVYYSPVU

pith:2012:UVYYSPVUNLDZ4C6GY6V5ST7H4B
not attested not anchored not stored refs pending

Fractional Calculus - A Commutative Method on Real Analytic Functions

Matthew Parker

arxiv:1207.6610 v1 · 2012-07-27 · math.CA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{UVYYSPVUNLDZ4C6GY6V5ST7H4B}

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 2026-05-18T03:49:58.985012Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

a571893eb46ac79e0bc6c7abd94fe7e07137a5d881504cefc4b5b623a27f6fc8

Aliases

arxiv: 1207.6610 · arxiv_version: 1207.6610v1 · doi: 10.48550/arxiv.1207.6610 · pith_short_12: UVYYSPVUNLDZ · pith_short_16: UVYYSPVUNLDZ4C6G · pith_short_8: UVYYSPVU
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/UVYYSPVUNLDZ4C6GY6V5ST7H4B \
  | 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: a571893eb46ac79e0bc6c7abd94fe7e07137a5d881504cefc4b5b623a27f6fc8
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "8b003eb4ba73f17b328dfca642982b845868da602db09d3beb56095c3670c88e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2012-07-27T18:24:34Z",
    "title_canon_sha256": "d40211cc2d72204f412ab5abfc87b772653f4e4b466197a2faea335f49410271"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.6610",
    "kind": "arxiv",
    "version": 1
  }
}