Pith Number

pith:LOF7F4TO

pith:2020:LOF7F4TOT6QU37MTSVCHZVKSB5

not attested not anchored not stored refs pending

Equivalence groupoid and enhanced group classification of a class of generalized Kawahara equations

Alexander Zhalij, Olena Magda, Olena Vaneeva

arxiv:2001.00167 v1 · 2020-01-01 · math-ph · math.MP · nlin.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LOF7F4TOT6QU37MTSVCHZVKSB5}

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	2026-06-25T01:18:33.282663Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5b8bf2f26e9fa14dfd9395447cd5520f573d80d179f7c21cf8abc786f5e16406

Aliases

arxiv: 2001.00167 · arxiv_version: 2001.00167v1 · doi: 10.48550/arxiv.2001.00167 · pith_short_12: LOF7F4TOT6QU · pith_short_16: LOF7F4TOT6QU37MT · pith_short_8: LOF7F4TO

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/LOF7F4TOT6QU37MTSVCHZVKSB5 \
  | 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: 5b8bf2f26e9fa14dfd9395447cd5520f573d80d179f7c21cf8abc786f5e16406

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22f2bfc5a8c5ae058285dc82e50df85f7a39f3461a2bdce4d901a209b7b1062f",
    "cross_cats_sorted": [
      "math.MP",
      "nlin.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2020-01-01T09:00:25Z",
    "title_canon_sha256": "c91752bc0be258108a3f6450f5fa6c2327e634e59a387112ade8ec0a3fcdda8a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.00167",
    "kind": "arxiv",
    "version": 1
  }
}