Pith Number

pith:5XDVJQTS

pith:2012:5XDVJQTSNNQAZK4J57BUOY3SJW

not attested not anchored not stored refs pending

Group theoretic analysis of a class of boundary value problems for a nonlinear heat equation

Sergii Kovalenko

arxiv:1202.0705 v1 · 2012-02-03 · 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{5XDVJQTSNNQAZK4J57BUOY3SJW}

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	2026-05-18T04:03:08.180856Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

edc754c2726b600cab89efc34763724da4ac10d3312f0ab37f813f5c156f5205

Aliases

arxiv: 1202.0705 · arxiv_version: 1202.0705v1 · doi: 10.48550/arxiv.1202.0705 · pith_short_12: 5XDVJQTSNNQA · pith_short_16: 5XDVJQTSNNQAZK4J · pith_short_8: 5XDVJQTS

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/5XDVJQTSNNQAZK4J57BUOY3SJW \
  | 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: edc754c2726b600cab89efc34763724da4ac10d3312f0ab37f813f5c156f5205

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92d542e5a0713d08f4ce09f1f113dbc47d537748451df376f1d13c6e130526ca",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2012-02-03T14:03:03Z",
    "title_canon_sha256": "910b41661b32941483a3ac41e30f2764b470ef3f9362c624c17c9d198213da5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.0705",
    "kind": "arxiv",
    "version": 1
  }
}