Pith Number

pith:B2GNGRS7

pith:2017:B2GNGRS77O7RDLTV67CM54TZGW

not attested not anchored not stored refs pending

Dictionary Learning from Incomplete Data

Karin Schnass, Valeriya Naumova

arxiv:1701.03655 v2 · 2017-01-13 · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B2GNGRS77O7RDLTV67CM54TZGW}

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	2026-05-18T00:19:31.060390Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e8cd3465ffbbf11ae75f7c4cef27935a84a02565f3dea801df74c352a5aa0ff

Aliases

arxiv: 1701.03655 · arxiv_version: 1701.03655v2 · doi: 10.48550/arxiv.1701.03655 · pith_short_12: B2GNGRS77O7R · pith_short_16: B2GNGRS77O7RDLTV · pith_short_8: B2GNGRS7

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/B2GNGRS77O7RDLTV67CM54TZGW \
  | 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: 0e8cd3465ffbbf11ae75f7c4cef27935a84a02565f3dea801df74c352a5aa0ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "105567e0fd83d9f3cdb054134324aa33b63a101a7f60f2806e23823da56828ef",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2017-01-13T13:06:47Z",
    "title_canon_sha256": "ccaeb9e48990128d34edf5f8c3b63a48ac8f85143eda2a9104cd74cc5bb22a87"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.03655",
    "kind": "arxiv",
    "version": 2
  }
}