Pith Number

pith:DHCS27W4

pith:2025:DHCS27W4OL54VE33VUT44TNBSY

not attested not anchored not stored refs pending

Stability threshold of Couette flow for Boussinesq equations in $\mathbb{R}^2$

Guoxu Yang, Wendong Wang, Yubo Chen

arxiv:2508.11908 v1 · 2025-08-16 · 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{DHCS27W4OL54VE33VUT44TNBSY}

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	2026-07-05T11:54:56.937376Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19c52d7edc72fbca937bad27ce4da196000dbeb514bf82c80f5c9bd8029ae160

Aliases

arxiv: 2508.11908 · arxiv_version: 2508.11908v1 · doi: 10.48550/arxiv.2508.11908 · pith_short_12: DHCS27W4OL54 · pith_short_16: DHCS27W4OL54VE33 · pith_short_8: DHCS27W4

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/DHCS27W4OL54VE33VUT44TNBSY \
  | 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: 19c52d7edc72fbca937bad27ce4da196000dbeb514bf82c80f5c9bd8029ae160

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "babf3eb95cf2ae1bf28e9502d4f7f581c5e8686e5b338f68a25613484177f6fc",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2025-08-16T04:46:48Z",
    "title_canon_sha256": "65886847df8a98a26924ed0cb07af6827970bdf133ac34f5c5add9aa68496c0c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.11908",
    "kind": "arxiv",
    "version": 1
  }
}