Pith Number

pith:QBH25B6Q

pith:2019:QBH25B6Q6L3OF5WN6LTGBKPZ65

not attested not anchored not stored refs pending

Spectral Stability of the $\bar\partial-$Neumann Laplacian: the Kohn-Nirenberg elliptic regularization

Chunhui Qiu, Siqi Fu, Weixia Zhu

arxiv:1908.03255 v1 · 2019-08-08 · math.CV · 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{QBH25B6Q6L3OF5WN6LTGBKPZ65}

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	2026-07-04T23:52:37.809019Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

804fae87d0f2f6e2f6cdf2e660a9f9f74c26e0cb352d8771c380e97ff09f0e99

Aliases

arxiv: 1908.03255 · arxiv_version: 1908.03255v1 · doi: 10.48550/arxiv.1908.03255 · pith_short_12: QBH25B6Q6L3O · pith_short_16: QBH25B6Q6L3OF5WN · pith_short_8: QBH25B6Q

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/QBH25B6Q6L3OF5WN6LTGBKPZ65 \
  | 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: 804fae87d0f2f6e2f6cdf2e660a9f9f74c26e0cb352d8771c380e97ff09f0e99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11c25ad4e3ec39648d9808fc645f051fb90f6a9c024692812dedfe62ce81f423",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2019-08-08T20:19:23Z",
    "title_canon_sha256": "32f556badb3f67a86bfe2e9667e6c33477752e86c2522efc143708a1691e198d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.03255",
    "kind": "arxiv",
    "version": 1
  }
}