Pith Number

pith:Q5CG6VVN

pith:2018:Q5CG6VVN52VUZQCK7XOZB32XN5

not attested not anchored not stored refs pending

Regularity of the derivatives of $p$-orthotropic functions in the plane for $1<p<2$

Diego Ricciotti

arxiv:1802.04197 v1 · 2018-02-12 · 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{Q5CG6VVN52VUZQCK7XOZB32XN5}

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	2026-05-18T00:23:46.549958Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87446f56adeeab4cc04afddd90ef576f7326e0b5d410efaa8545f485dcb5c8ec

Aliases

arxiv: 1802.04197 · arxiv_version: 1802.04197v1 · doi: 10.48550/arxiv.1802.04197 · pith_short_12: Q5CG6VVN52VU · pith_short_16: Q5CG6VVN52VUZQCK · pith_short_8: Q5CG6VVN

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/Q5CG6VVN52VUZQCK7XOZB32XN5 \
  | 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: 87446f56adeeab4cc04afddd90ef576f7326e0b5d410efaa8545f485dcb5c8ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "508996d26e563ed540a2687c4035dd771d87c7df429cc9f6b3bd54b69b3012b9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-02-12T17:30:20Z",
    "title_canon_sha256": "04ff3c586434a2e72296c13cc7af70ca5f1763e5e4929896986a3b79b5ccfcb8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.04197",
    "kind": "arxiv",
    "version": 1
  }
}