Pith Number

pith:TOY5RZ7S

pith:2015:TOY5RZ7SFEDW2N5AHQMXM4IZUZ

not attested not anchored not stored refs pending

Fractional-order Variational Derivative

Vasily E. Tarasov

arxiv:1502.07677 v1 · 2015-02-22 · math.CA · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TOY5RZ7SFEDW2N5AHQMXM4IZUZ}

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	2026-05-18T02:26:03.143662Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9bb1d8e7f229076d37a03c19767119a6464e1ff047d3d5fed6454342947ec493

Aliases

arxiv: 1502.07677 · arxiv_version: 1502.07677v1 · doi: 10.48550/arxiv.1502.07677 · pith_short_12: TOY5RZ7SFEDW · pith_short_16: TOY5RZ7SFEDW2N5A · pith_short_8: TOY5RZ7S

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/TOY5RZ7SFEDW2N5AHQMXM4IZUZ \
  | 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: 9bb1d8e7f229076d37a03c19767119a6464e1ff047d3d5fed6454342947ec493

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a93265530b94feccab2b578520041b922d6a7b029e6aaba364936fe85a78ef1a",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2015-02-22T20:49:20Z",
    "title_canon_sha256": "b0331a7aa5604f38f7c3ae04b878a4bac1eba4a89a793cea5bad72d60330b144"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.07677",
    "kind": "arxiv",
    "version": 1
  }
}