Pith Number

pith:6RQ43AIU

pith:2019:6RQ43AIUNJTTMJULIPIFTASDJA

not attested not anchored not stored refs pending

Well-posedness study of a non-linear hyperbolic-parabolic coupled system applied to image speckle reduction

Ananta K. Majee, Rajendra K. Ray, Sudeb Majee

arxiv:1908.02653 v2 · 2019-08-07 · math.AP · cs.NA · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6RQ43AIUNJTTMJULIPIFTASDJA}

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	2026-07-04T23:55:13.156648Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f461cd81146a6736268b43d059824348312ef93f13509ed0053498de808fb350

Aliases

arxiv: 1908.02653 · arxiv_version: 1908.02653v2 · doi: 10.48550/arxiv.1908.02653 · pith_short_12: 6RQ43AIUNJTT · pith_short_16: 6RQ43AIUNJTTMJUL · pith_short_8: 6RQ43AIU

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/6RQ43AIUNJTTMJULIPIFTASDJA \
  | 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: f461cd81146a6736268b43d059824348312ef93f13509ed0053498de808fb350

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05dbf4c313e55a0017245a51f040b9460f93f0cfaece6eaaaa1b013400ad1e50",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2019-08-07T14:18:18Z",
    "title_canon_sha256": "ac63ca0ca9ef1673a7549b9baacfe8f4730bef5e63ebe6c160cd94b2adc75047"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.02653",
    "kind": "arxiv",
    "version": 2
  }
}