Pith Number

pith:HNKNV3T6

pith:2019:HNKNV3T6RSLZZ5RDJWUENTOBV3

not attested not anchored not stored refs pending

Singular limits of the quasi-linear Kolmogorov-type equation with a source term

Ivan Kuznetsov, Sergey Sazhenkov

arxiv:1907.04250 v1 · 2019-07-09 · 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{HNKNV3T6RSLZZ5RDJWUENTOBV3}

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	2026-05-17T23:41:02.876149Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b54daee7e8c979cf6234da846cdc1aefc849904a587a0320a0ebde6486d504c

Aliases

arxiv: 1907.04250 · arxiv_version: 1907.04250v1 · doi: 10.48550/arxiv.1907.04250 · pith_short_12: HNKNV3T6RSLZ · pith_short_16: HNKNV3T6RSLZZ5RD · pith_short_8: HNKNV3T6

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/HNKNV3T6RSLZZ5RDJWUENTOBV3 \
  | 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: 3b54daee7e8c979cf6234da846cdc1aefc849904a587a0320a0ebde6486d504c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd76f2fd3cf3c467775e3c8a75916ff3ba08318411eaae632ced24f033380dd5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2019-07-09T15:32:52Z",
    "title_canon_sha256": "9bc24caee680120bf02674e2165b42e42cf7e67cdf70198479598e13a1c388aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.04250",
    "kind": "arxiv",
    "version": 1
  }
}