Pith Number

pith:NZCQQUBU

pith:2018:NZCQQUBUK2M44MDKHDVYDC3QMH

not attested not anchored not stored refs pending

Maillet type theorem for nonlinear totally characteristic partial differential equations

Alberto Lastra, Hidetoshi Tahara

arxiv:1810.06349 v1 · 2018-10-15 · math.CV · 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{NZCQQUBUK2M44MDKHDVYDC3QMH}

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	2026-05-18T00:03:20.754865Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e450850345699ce306a38eb818b7061c4b3a654c6cb91f0c336a164d5a3b367

Aliases

arxiv: 1810.06349 · arxiv_version: 1810.06349v1 · doi: 10.48550/arxiv.1810.06349 · pith_short_12: NZCQQUBUK2M4 · pith_short_16: NZCQQUBUK2M44MDK · pith_short_8: NZCQQUBU

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/NZCQQUBUK2M44MDKHDVYDC3QMH \
  | 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: 6e450850345699ce306a38eb818b7061c4b3a654c6cb91f0c336a164d5a3b367

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd3bbf4d28721a06154feca424497b8c8d241d44da1193e1dde65cc532a80c93",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2018-10-15T13:47:50Z",
    "title_canon_sha256": "9ec00a617dc44248586675b57c4778a512699b04cb5df91fbfc244d068580ce7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.06349",
    "kind": "arxiv",
    "version": 1
  }
}