Pith Number

pith:WQLQG3VI

pith:2017:WQLQG3VI2RZH6DJ2FVFNTT77DL

not attested not anchored not stored refs pending

A nonstandard higher-order variational model to speckle noise removal and thin-structure detection

Anis Theljani, Badreddine Rjaibi, Hamdi Houichet, Maher Moakher

arxiv:1706.06190 v2 · 2017-06-19 · math.NA · 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{WQLQG3VI2RZH6DJ2FVFNTT77DL}

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	2026-05-18T00:13:11.125064Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b417036ea8d4727f0d3a2d4ad9cfff1aca243b95645bb23c53e709db4610d2f7

Aliases

arxiv: 1706.06190 · arxiv_version: 1706.06190v2 · doi: 10.48550/arxiv.1706.06190 · pith_short_12: WQLQG3VI2RZH · pith_short_16: WQLQG3VI2RZH6DJ2 · pith_short_8: WQLQG3VI

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/WQLQG3VI2RZH6DJ2FVFNTT77DL \
  | 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: b417036ea8d4727f0d3a2d4ad9cfff1aca243b95645bb23c53e709db4610d2f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09d45cbacf284ee9be26bd112de8ca5f18eaceff0e6fc8644e07a6b76aed4667",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-06-19T21:57:48Z",
    "title_canon_sha256": "6eb5c8336e7947c45c3d3fa24a561e10a6f1c098a51d410d239edda88cf8a666"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.06190",
    "kind": "arxiv",
    "version": 2
  }
}