Pith Number

pith:EHY445SH

pith:2013:EHY445SHN74D725OE64UGFWXX7

not attested not anchored not stored refs pending

A Note on Fractional Evolutionary Equations

Rainer Picard

arxiv:1301.6234 v3 · 2013-01-26 · math.AP · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EHY445SHN74D725OE64UGFWXX7}

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	2026-05-18T03:28:42.005219Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21f1ce76476ff83febae27b94316d7bfcd7a12f6ec88f3458ff2286924de0bea

Aliases

arxiv: 1301.6234 · arxiv_version: 1301.6234v3 · doi: 10.48550/arxiv.1301.6234 · pith_short_12: EHY445SHN74D · pith_short_16: EHY445SHN74D725O · pith_short_8: EHY445SH

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/EHY445SHN74D725OE64UGFWXX7 \
  | 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: 21f1ce76476ff83febae27b94316d7bfcd7a12f6ec88f3458ff2286924de0bea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e746d68eb4755ff02134e9f70ce4d60aff014daa9f39836f4c505e94cd62272",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-01-26T11:03:19Z",
    "title_canon_sha256": "f304553331b6b4a05b71e30582c4e6d04a4d8b2bc195708a3f17be53eb8e301a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.6234",
    "kind": "arxiv",
    "version": 3
  }
}