Pith Number

pith:WOVCV72I

pith:2017:WOVCV72IP4EXNV3OZD53K4SZBY

not attested not anchored not stored refs pending

Online and Batch Supervised Background Estimation via L1 Regression

Aritra Dutta, Peter Richtarik

arxiv:1712.02249 v1 · 2017-11-23 · math.OC · cs.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{WOVCV72IP4EXNV3OZD53K4SZBY}

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	2026-05-18T00:28:38.701469Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b3aa2aff487f0976d76ec8fbb572590e1444264f9a32e5a80fdcf9c0240b15d8

Aliases

arxiv: 1712.02249 · arxiv_version: 1712.02249v1 · doi: 10.48550/arxiv.1712.02249 · pith_short_12: WOVCV72IP4EX · pith_short_16: WOVCV72IP4EXNV3O · pith_short_8: WOVCV72I

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/WOVCV72IP4EXNV3OZD53K4SZBY \
  | 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: b3aa2aff487f0976d76ec8fbb572590e1444264f9a32e5a80fdcf9c0240b15d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40a9d3213f93bbf5f3bd43c6bcc81bd7c03f05e90ee09961086028326a3f7d1c",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-11-23T16:34:20Z",
    "title_canon_sha256": "f12a648a15637998fc0f88bace93917edbf0ca958c908ed5cb85e2f20dbeb5f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.02249",
    "kind": "arxiv",
    "version": 1
  }
}