Pith Number

pith:3P32RDA6

pith:2014:3P32RDA62LNACXNNU5AFLYFLMX

not attested not anchored not stored refs pending

R\'enyi entropies and nonlinear diffusion equations

Giuseppe Toscani

arxiv:1401.4271 v1 · 2014-01-17 · math-ph · cs.IT · math.IT · 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{3P32RDA62LNACXNNU5AFLYFLMX}

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	2026-05-18T03:01:55.541349Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dbf7a88c1ed2da015dada74055e0ab65f94651639e84600f4c2d02b553073a25

Aliases

arxiv: 1401.4271 · arxiv_version: 1401.4271v1 · doi: 10.48550/arxiv.1401.4271 · pith_short_12: 3P32RDA62LNA · pith_short_16: 3P32RDA62LNACXNN · pith_short_8: 3P32RDA6

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/3P32RDA62LNACXNNU5AFLYFLMX \
  | 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: dbf7a88c1ed2da015dada74055e0ab65f94651639e84600f4c2d02b553073a25

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a6612ae739798fc74e7f8a57a98dde4cb178b9c7b5e356b00c5e378ab863fe7",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2014-01-17T08:53:08Z",
    "title_canon_sha256": "e4a60c599b8db0301e73e06af8c9d60ee51b99c4eb02b00bd363a42675a50f17"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.4271",
    "kind": "arxiv",
    "version": 1
  }
}