Pith Number

pith:PKHEQRC3

pith:2017:PKHEQRC3IBW53SMG2OJ2TQ5OR6

not attested not anchored not stored refs pending

Unsupervised Sequence Classification using Sequential Output Statistics

Jianshu Chen, Li Deng, Yu Liu

arxiv:1702.07817 v2 · 2017-02-25 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PKHEQRC3IBW53SMG2OJ2TQ5OR6}

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	2026-05-18T00:43:35.186131Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a8e48445b406dddc986d393a9c3ae8f9b91d9749b61ead83ec4bd5cde7dc48f

Aliases

arxiv: 1702.07817 · arxiv_version: 1702.07817v2 · doi: 10.48550/arxiv.1702.07817 · pith_short_12: PKHEQRC3IBW5 · pith_short_16: PKHEQRC3IBW53SMG · pith_short_8: PKHEQRC3

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/PKHEQRC3IBW53SMG2OJ2TQ5OR6 \
  | 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: 7a8e48445b406dddc986d393a9c3ae8f9b91d9749b61ead83ec4bd5cde7dc48f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "beb8524f3aa662a38cdde2f949a1f0209b064aeb518c8f2ec493f1ce8636138c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2017-02-25T01:55:38Z",
    "title_canon_sha256": "5bc57b422e55175ac8af47ad7b6c22ab58d6edfa3452c2a1654c354152de7b58"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.07817",
    "kind": "arxiv",
    "version": 2
  }
}