Pith Number

pith:FZXWZ4PL

pith:2024:FZXWZ4PL5SN54W62NC7ABVD4JY

not attested not anchored not stored refs pending

The 1D nonlocal Fisher-KPP equation with a top hat kernel. Part 3. The effect of perturbations in the kernel

David John Needham, John Billingham

arxiv:2411.15054 v1 · 2024-11-22 · 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{FZXWZ4PL5SN54W62NC7ABVD4JY}

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	2026-07-05T09:39:15.796755Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e6f6cf1ebec9bde5bda68be00d47c4e3e4f84f416b68e354bc831b45e05a1be

Aliases

arxiv: 2411.15054 · arxiv_version: 2411.15054v1 · doi: 10.48550/arxiv.2411.15054 · pith_short_12: FZXWZ4PL5SN5 · pith_short_16: FZXWZ4PL5SN54W62 · pith_short_8: FZXWZ4PL

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/FZXWZ4PL5SN54W62NC7ABVD4JY \
  | 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: 2e6f6cf1ebec9bde5bda68be00d47c4e3e4f84f416b68e354bc831b45e05a1be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3ba3d5bfb704cf1366ad972817430cc1a7e01cf2b78a0f6cd8b0b8d09dfbf07",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2024-11-22T16:41:05Z",
    "title_canon_sha256": "a2d2260b5cd0bd46edead4bb35d65bbbc9222ffb7f4bf9dd1be8aa7c9d8b4634"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2411.15054",
    "kind": "arxiv",
    "version": 1
  }
}