Pith Number

pith:2PBKM65G

pith:2019:2PBKM65GABVS3UEXXP5YQDNH5I

not attested not anchored not stored refs pending

AspeRa: Aspect-based Rating Prediction Model

Anton Alekseev, Elena Tutubalina, Ilya Shenbin, Sergey I. Nikolenko, Valentin Malykh

arxiv:1901.07829 v1 · 2019-01-23 · cs.CL · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2PBKM65GABVS3UEXXP5YQDNH5I}

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	2026-05-17T23:55:39.639829Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3c2a67ba6006b2dd097bbfb880da7ea253ccbc71be16adb5939870c2a9efb7b

Aliases

arxiv: 1901.07829 · arxiv_version: 1901.07829v1 · doi: 10.48550/arxiv.1901.07829 · pith_short_12: 2PBKM65GABVS · pith_short_16: 2PBKM65GABVS3UEX · pith_short_8: 2PBKM65G

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/2PBKM65GABVS3UEXXP5YQDNH5I \
  | 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: d3c2a67ba6006b2dd097bbfb880da7ea253ccbc71be16adb5939870c2a9efb7b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34471745d347de24d4a34f024f56ccabaf478dfa1e45867d3f03b2dbbc6274cb",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-01-23T11:38:15Z",
    "title_canon_sha256": "5d460ee86c8939f2e8299f55d23993748a4b675d8775c17cf77c085ff659c5cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.07829",
    "kind": "arxiv",
    "version": 1
  }
}