Pith Number

pith:Z6BQRFQ2

pith:2012:Z6BQRFQ2YKXW5CRMX54VN5PRGS

not attested not anchored not stored refs pending

A New Poisson Noise Filter based on Weights Optimization

Ion Grama, Qiyu Jin, Quansheng Liu

arxiv:1201.5968 v1 · 2012-01-28 · stat.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{Z6BQRFQ2YKXW5CRMX54VN5PRGS}

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	2026-05-18T04:03:34.158760Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf8308961ac2af6e8a2cbf7956f5f1348b8a1fd69174488b2207c8b6db6285eb

Aliases

arxiv: 1201.5968 · arxiv_version: 1201.5968v1 · doi: 10.48550/arxiv.1201.5968 · pith_short_12: Z6BQRFQ2YKXW · pith_short_16: Z6BQRFQ2YKXW5CRM · pith_short_8: Z6BQRFQ2

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/Z6BQRFQ2YKXW5CRMX54VN5PRGS \
  | 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: cf8308961ac2af6e8a2cbf7956f5f1348b8a1fd69174488b2207c8b6db6285eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b56366dff497ab2f17a8991f6766934f676c087c906aabe3a8f7802eea4a69ee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2012-01-28T15:38:09Z",
    "title_canon_sha256": "e98022060f2855fc84fa610103f09316b954728fce955cce4b980db671059dc1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.5968",
    "kind": "arxiv",
    "version": 1
  }
}