Pith Number

pith:N7Q5MXT6

pith:2017:N7Q5MXT6GCWHF3WGMCPLBYN3JD

not attested not anchored not stored refs pending

Global existence for some 4-D quasilinear wave equations with low regularity

Chengbo Wang, Mengyun Liu

arxiv:1709.00967 v1 · 2017-09-04 · 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{N7Q5MXT6GCWHF3WGMCPLBYN3JD}

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	2026-05-18T00:36:04.594990Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6fe1d65e7e30ac72eec6609eb0e1bb48c31dc1ea789e9df246acdff026570859

Aliases

arxiv: 1709.00967 · arxiv_version: 1709.00967v1 · doi: 10.48550/arxiv.1709.00967 · pith_short_12: N7Q5MXT6GCWH · pith_short_16: N7Q5MXT6GCWHF3WG · pith_short_8: N7Q5MXT6

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/N7Q5MXT6GCWHF3WGMCPLBYN3JD \
  | 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: 6fe1d65e7e30ac72eec6609eb0e1bb48c31dc1ea789e9df246acdff026570859

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68531c017ec36bd459a1c7ea91deadb5565f9dbc5560de738ac8db69b53f11cb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-09-04T14:01:53Z",
    "title_canon_sha256": "07606749cf13cdabda067892eb93be8d6a61ffc05a1b018a95570c969a10e6c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.00967",
    "kind": "arxiv",
    "version": 1
  }
}