Pith Number

pith:OWI7K44Q

pith:2015:OWI7K44Q64AIAQABVSYZJKDOKO

not attested not anchored not stored refs pending

A twisted $\bar{\partial}_f$-Neumann problem and Toeplitz $n$-tuples from singularity theory

Hao Wen, Huijun Fan

arxiv:1505.04422 v1 · 2015-05-17 · math.CV

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OWI7K44Q64AIAQABVSYZJKDOKO}

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	2026-05-18T02:07:25.464547Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7591f57390f700804001acb194a86e5395bf206d8ad1bb5c304bf18e0643e65a

Aliases

arxiv: 1505.04422 · arxiv_version: 1505.04422v1 · doi: 10.48550/arxiv.1505.04422 · pith_short_12: OWI7K44Q64AI · pith_short_16: OWI7K44Q64AIAQAB · pith_short_8: OWI7K44Q

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/OWI7K44Q64AIAQABVSYZJKDOKO \
  | 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: 7591f57390f700804001acb194a86e5395bf206d8ad1bb5c304bf18e0643e65a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9dba3c3e0a92da0affc2815941747e24239db48222d9d53acf8fe1b631e42f26",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2015-05-17T17:33:46Z",
    "title_canon_sha256": "6271e584fe8b00f7865282c0c6680baabbaaf0aa0b32eca638e74a38fb864428"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.04422",
    "kind": "arxiv",
    "version": 1
  }
}