Pith Number

pith:XVRB7NM5

pith:2019:XVRB7NM5APTXS2OFKYUKJOGM2E

not attested not anchored not stored refs pending

Equivalence groupoid of a class of general Burgers-Korteweg-de Vries equations with space-dependent coefficients

Stanislav Opanasenko

arxiv:1909.00036 v1 · 2019-08-30 · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XVRB7NM5APTXS2OFKYUKJOGM2E}

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	2026-07-05T00:01:04.749836Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd621fb59d03e77969c55628a4b8ccd11c60637d860e4645c791cae3e4667cf7

Aliases

arxiv: 1909.00036 · arxiv_version: 1909.00036v1 · doi: 10.48550/arxiv.1909.00036 · pith_short_12: XVRB7NM5APTX · pith_short_16: XVRB7NM5APTXS2OF · pith_short_8: XVRB7NM5

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/XVRB7NM5APTXS2OFKYUKJOGM2E \
  | 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: bd621fb59d03e77969c55628a4b8ccd11c60637d860e4645c791cae3e4667cf7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ea8d368cf3cd22e98197fcd69e13193277de455c46a6982cdb70690ce4b4953",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2019-08-30T18:54:43Z",
    "title_canon_sha256": "64174deb9c3ce1f38c40c853dc31f76612662cd69f6b795c8c3cc1497a5563b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.00036",
    "kind": "arxiv",
    "version": 1
  }
}