Pith Number

pith:B2BL4A6X

pith:2013:B2BL4A6X7IEPYYNC6ED4IMIU6C

not attested not anchored not stored refs pending

Processing stationary noise: model and parameter selection in variational methods

J\'er\^ome Fehrenbach, Pierre Weiss

arxiv:1307.4592 v1 · 2013-07-17 · cs.CV · math.OC · 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{B2BL4A6X7IEPYYNC6ED4IMIU6C}

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	2026-05-18T03:18:17.604123Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e82be03d7fa08fc61a2f107c43114f08308495e4ae797831913bac3fb88b061

Aliases

arxiv: 1307.4592 · arxiv_version: 1307.4592v1 · doi: 10.48550/arxiv.1307.4592 · pith_short_12: B2BL4A6X7IEP · pith_short_16: B2BL4A6X7IEPYYNC · pith_short_8: B2BL4A6X

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/B2BL4A6X7IEPYYNC6ED4IMIU6C \
  | 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: 0e82be03d7fa08fc61a2f107c43114f08308495e4ae797831913bac3fb88b061

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23bb25378cb39c5fb9746f6837e8cb149eb076ae00b25f39e0c55a25c36ca9fc",
    "cross_cats_sorted": [
      "math.OC",
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2013-07-17T12:14:52Z",
    "title_canon_sha256": "cdd8c210dd44c0129b19028cd337ff5ca7a5991affebfb8a5a2845afecf94021"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.4592",
    "kind": "arxiv",
    "version": 1
  }
}