Pith Number

pith:IES6A4EO

pith:2017:IES6A4EOCOHUKK2F7ZDHZB66GJ

not attested not anchored not stored refs pending

The class of second order quasilinear equations: models, solutions and background of classification

A. Popov, O. Makarenko, S. Skurativskyi

arxiv:1708.08002 v1 · 2017-08-26 · nlin.PS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IES6A4EOCOHUKK2F7ZDHZB66GJ}

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	2026-05-18T00:36:37.345295Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4125e0708e138f452b45fe467c87de325bf399733a994e3e1e1606675d32babd

Aliases

arxiv: 1708.08002 · arxiv_version: 1708.08002v1 · doi: 10.48550/arxiv.1708.08002 · pith_short_12: IES6A4EOCOHU · pith_short_16: IES6A4EOCOHUKK2F · pith_short_8: IES6A4EO

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/IES6A4EOCOHUKK2F7ZDHZB66GJ \
  | 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: 4125e0708e138f452b45fe467c87de325bf399733a994e3e1e1606675d32babd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f5d757bce5d53ecc8b0575c0ff97cb302abdb532477b194ee084825701281f7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.PS",
    "submitted_at": "2017-08-26T17:55:38Z",
    "title_canon_sha256": "cdf7b8500da497549156cdaeb0c89d23718881d3e7edb540da0255b3cf3533e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.08002",
    "kind": "arxiv",
    "version": 1
  }
}