Pith Number

pith:V7W3DI63

pith:2026:V7W3DI63C627IPJNSDCDO3CS7E

not attested not anchored not stored refs pending

Flexibility and rigidity for the Couette flow in the infinite channel

Dengjun Guo, Guolin Qin, Xiaoyutao Luo

arxiv:2605.19971 v1 · 2026-05-19 · 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{V7W3DI63C627IPJNSDCDO3CS7E}

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	2026-05-20T02:05:57.703816Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

afedb1a3db17b5f43d2d90c4376c52f921e30cd6c18429a0b1537183c6084604

Aliases

arxiv: 2605.19971 · arxiv_version: 2605.19971v1 · doi: 10.48550/arxiv.2605.19971 · pith_short_12: V7W3DI63C627 · pith_short_16: V7W3DI63C627IPJN · pith_short_8: V7W3DI63

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/V7W3DI63C627IPJNSDCDO3CS7E \
  | 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: afedb1a3db17b5f43d2d90c4376c52f921e30cd6c18429a0b1537183c6084604

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "accaa20ad7a028ec8c4cf16842b49707ec8fa13dd70ad38fbec6366406a9d15a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2026-05-19T15:18:48Z",
    "title_canon_sha256": "f998e2c91dfccedf2fbf1668d9a8cc50afe77f2efbbf301833e0282dc5e31456"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.19971",
    "kind": "arxiv",
    "version": 1
  }
}