Pith Number

pith:L5HAY3T3

pith:2025:L5HAY3T3XOQOKY4A5QH3V6KJCE

not attested not anchored not stored refs pending

Some questions about the regularity and the uniqueness of solutions of parabolic partial differential equations

Inmaculada Gayte Delgado, Irene Mar\'in Gayte

arxiv:2505.22110 v1 · 2025-05-28 · 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{L5HAY3T3XOQOKY4A5QH3V6KJCE}

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	2026-07-05T11:11:10.062015Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f4e0c6e7bbba0e56380ec0fbaf9491125529df3f39757d1d31ed18f8b8411f4

Aliases

arxiv: 2505.22110 · arxiv_version: 2505.22110v1 · doi: 10.48550/arxiv.2505.22110 · pith_short_12: L5HAY3T3XOQO · pith_short_16: L5HAY3T3XOQOKY4A · pith_short_8: L5HAY3T3

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/L5HAY3T3XOQOKY4A5QH3V6KJCE \
  | 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: 5f4e0c6e7bbba0e56380ec0fbaf9491125529df3f39757d1d31ed18f8b8411f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0b15bf2944cc512b629be35a6f6b6d084dfa99c03f1cc862cb5dca5e9a0ec3b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2025-05-28T08:38:14Z",
    "title_canon_sha256": "7289def49d75c2a592343d0782d030b972a9b6f586cac5c864a8a8a0e705670c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.22110",
    "kind": "arxiv",
    "version": 1
  }
}