Pith Number

pith:O3F7ZZZU

pith:2026:O3F7ZZZUPQNMIOK5V5AS7LXKVX

not attested not anchored not stored refs pending

Local well-posedness for the two-and-a-half-dimensional EMHD system with split fractional dissipation

Qirui Peng

arxiv:2605.20845 v1 · 2026-05-20 · 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{O3F7ZZZUPQNMIOK5V5AS7LXKVX}

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	2026-05-21T01:05:24.269275Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76cbfce7347c1ac4395daf412faeeaadf483608cd335a7cd9bf821ccdaa318ca

Aliases

arxiv: 2605.20845 · arxiv_version: 2605.20845v1 · doi: 10.48550/arxiv.2605.20845 · pith_short_12: O3F7ZZZUPQNM · pith_short_16: O3F7ZZZUPQNMIOK5 · pith_short_8: O3F7ZZZU

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/O3F7ZZZUPQNMIOK5V5AS7LXKVX \
  | 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: 76cbfce7347c1ac4395daf412faeeaadf483608cd335a7cd9bf821ccdaa318ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0dbc60328664a9f45130741ab89500f490da023f3f28749b0c2f11332a6d4bb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2026-05-20T07:35:30Z",
    "title_canon_sha256": "33f87444a2baca1cee1e2fb576844e59901de4244aa1bd8f6afec5d142312804"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.20845",
    "kind": "arxiv",
    "version": 1
  }
}