Pith Number

pith:RK3QVZTK

pith:2017:RK3QVZTKQ7BNON643ZFOETAAR6

not attested not anchored not stored refs pending

Semantic classifier approach to document classification

Krzysztof Ciesielski, Mieczys{\l}aw A. K{\l}opotek, Piotr Borkowski

arxiv:1701.04292 v1 · 2017-01-16 · cs.IR · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RK3QVZTKQ7BNON643ZFOETAAR6}

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	2026-05-18T00:52:47.212663Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ab70ae66a87c2d737dcde4ae24c008fa72005318c3428c017c0fed353e8ec7f

Aliases

arxiv: 1701.04292 · arxiv_version: 1701.04292v1 · doi: 10.48550/arxiv.1701.04292 · pith_short_12: RK3QVZTKQ7BN · pith_short_16: RK3QVZTKQ7BNON64 · pith_short_8: RK3QVZTK

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/RK3QVZTKQ7BNON643ZFOETAAR6 \
  | 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: 8ab70ae66a87c2d737dcde4ae24c008fa72005318c3428c017c0fed353e8ec7f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3dc37298fa2b584a3f22f001f3d89bcd5a3ea66e0ae701e7067cb924d564b18b",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2017-01-16T14:02:19Z",
    "title_canon_sha256": "093d3b51a325096339a257f14eb31930230b4d0a010caf46590a384e941c99b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.04292",
    "kind": "arxiv",
    "version": 1
  }
}