Pith Number

pith:XKII7JW3

pith:2025:XKII7JW3M5QX3HT3DPQE63CHQ4

not attested not anchored not stored refs pending

Non-autonomous problem for a $2m$-th order semilinear nonlocal parabolic equation

Flank D. M. Bezerra, Silvia Sastre-G\'omez

arxiv:2507.20257 v1 · 2025-07-27 · 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{XKII7JW3M5QX3HT3DPQE63CHQ4}

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	2026-07-05T11:44:15.927087Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba908fa6db67617d9e7b1be04f6c47871d44c32a274318c52857e957e621cf5e

Aliases

arxiv: 2507.20257 · arxiv_version: 2507.20257v1 · doi: 10.48550/arxiv.2507.20257 · pith_short_12: XKII7JW3M5QX · pith_short_16: XKII7JW3M5QX3HT3 · pith_short_8: XKII7JW3

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/XKII7JW3M5QX3HT3DPQE63CHQ4 \
  | 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: ba908fa6db67617d9e7b1be04f6c47871d44c32a274318c52857e957e621cf5e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63e900ea3da71184f7a9ba9cb4f75c48c3154131b5b2b27d46bcc142b35e2860",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2025-07-27T13:00:18Z",
    "title_canon_sha256": "0cbb5d5a9373d12424e6b6eb2846c8de1d9678acf2b4c8d8fe3421c42fbecaa0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.20257",
    "kind": "arxiv",
    "version": 1
  }
}