Pith Number

pith:KI6JV3QX

pith:2018:KI6JV3QXOKRLRLF7BE7A6LT34D

not attested not anchored not stored refs pending

Global existence for weakly coupled systems of semi-linear structurally damped $\sigma$-evolution models with different power nonlinearities

Tuan Anh Dao

arxiv:1809.06744 v2 · 2018-09-17 · 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{KI6JV3QXOKRLRLF7BE7A6LT34D}

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	2026-05-18T00:03:55.355618Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

523c9aee1772a2b8acbf093e0f2e7be0c513109eb2840fa79b918a564d64c8e9

Aliases

arxiv: 1809.06744 · arxiv_version: 1809.06744v2 · doi: 10.48550/arxiv.1809.06744 · pith_short_12: KI6JV3QXOKRL · pith_short_16: KI6JV3QXOKRLRLF7 · pith_short_8: KI6JV3QX

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/KI6JV3QXOKRLRLF7BE7A6LT34D \
  | 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: 523c9aee1772a2b8acbf093e0f2e7be0c513109eb2840fa79b918a564d64c8e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56780211f2110c74b6dd63cdef4a040793665cae720717ec24c4f20ecfa97786",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-09-17T16:05:30Z",
    "title_canon_sha256": "6e288615fe06163b65aeb1e455014d46f507bf76e52abf7b7b65e69c8bcb7016"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.06744",
    "kind": "arxiv",
    "version": 2
  }
}