Pith Number

pith:EK2WMN6E

pith:2015:EK2WMN6EXO3ISMUP2OOJIUELRC

not attested not anchored not stored refs pending

Evolutionary, symmetric p-Laplacian. Interior regularity of time derivatives and its consequences

Jan Burczak, Petr Kaplick\'y

arxiv:1509.07742 v2 · 2015-09-25 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EK2WMN6EXO3ISMUP2OOJIUELRC}

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	2026-05-18T00:56:04.623870Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

22b56637c4bbb689328fd39c94508b888fd812bb9d15033e79382965a29f5fff

Aliases

arxiv: 1509.07742 · arxiv_version: 1509.07742v2 · doi: 10.48550/arxiv.1509.07742 · pith_short_12: EK2WMN6EXO3I · pith_short_16: EK2WMN6EXO3ISMUP · pith_short_8: EK2WMN6E

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/EK2WMN6EXO3ISMUP2OOJIUELRC \
  | 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: 22b56637c4bbb689328fd39c94508b888fd812bb9d15033e79382965a29f5fff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a8c2a7699721b6c7bcb44384b941d1cbec0993d96b4e32c33cc3250f088c7ac",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2015-09-25T14:51:38Z",
    "title_canon_sha256": "8f0d06e12170722c9a24c73ebdd907b5666d0d51ad05c2f8e4fc2202d2f94117"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.07742",
    "kind": "arxiv",
    "version": 2
  }
}