Pith Number

pith:XBZN5ZE2

pith:2015:XBZN5ZE2XIJSC3E4MW3QUZ7CXT

not attested not anchored not stored refs pending

Traveling waves in the nonlocal KPP-Fisher equation: different roles of the right and the left interactions

Jana Kopfov\'a, Karel Hasik, Petra N\'ab\v{e}lkov\'a, Sergei Trofimchuk

arxiv:1504.06902 v1 · 2015-04-27 · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XBZN5ZE2XIJSC3E4MW3QUZ7CXT}

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	2026-05-18T01:21:13.399549Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b872dee49aba13216c9c65b70a67e2bcca38be491b0d992351a8ee482f21fb2e

Aliases

arxiv: 1504.06902 · arxiv_version: 1504.06902v1 · doi: 10.48550/arxiv.1504.06902 · pith_short_12: XBZN5ZE2XIJS · pith_short_16: XBZN5ZE2XIJSC3E4 · pith_short_8: XBZN5ZE2

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/XBZN5ZE2XIJSC3E4MW3QUZ7CXT \
  | 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: b872dee49aba13216c9c65b70a67e2bcca38be491b0d992351a8ee482f21fb2e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47bb4b645b6054f01de17e92f5a0b53f12d9041367415638e30bdf47fddf2707",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2015-04-27T01:25:18Z",
    "title_canon_sha256": "53144f2b334f0eec16ab99dc6bdcb697807a4794013c3edd4f30ece151a6f2de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.06902",
    "kind": "arxiv",
    "version": 1
  }
}