Pith Number

pith:OVT2TL3W

pith:2016:OVT2TL3WZNG7IHGNV45IC2WKQ7

not attested not anchored not stored refs pending

Degeneracy in finite time of 1D quasilinear wave equations II

Yuusuke Sugiyama

arxiv:1601.05191 v4 · 2016-01-20 · 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{OVT2TL3WZNG7IHGNV45IC2WKQ7}

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	2026-05-18T00:53:24.532765Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7567a9af76cb4df41ccdaf3a816aca87c3ce3f4b864814f853de92f1714a02c1

Aliases

arxiv: 1601.05191 · arxiv_version: 1601.05191v4 · doi: 10.48550/arxiv.1601.05191 · pith_short_12: OVT2TL3WZNG7 · pith_short_16: OVT2TL3WZNG7IHGN · pith_short_8: OVT2TL3W

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/OVT2TL3WZNG7IHGNV45IC2WKQ7 \
  | 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: 7567a9af76cb4df41ccdaf3a816aca87c3ce3f4b864814f853de92f1714a02c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc6a170960c36ecffce0600fbc5bb9a95ec5d3e8aecb53b0f256a227ad276cca",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2016-01-20T07:52:35Z",
    "title_canon_sha256": "4d603d9dc7d3c24abb0a8d2e47979980cccf7598dff6d55410deb3e5689535a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.05191",
    "kind": "arxiv",
    "version": 4
  }
}