Pith Number

pith:C5JKU47V

pith:2017:C5JKU47VASWTODXAY2C275SRLV

not attested not anchored not stored refs pending

Lifelong Learning CRF for Supervised Aspect Extraction

Bing Liu, Hu Xu, Lei Shu

arxiv:1705.00251 v1 · 2017-04-29 · 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{C5JKU47VASWTODXAY2C275SRLV}

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	2026-05-18T00:45:21.033599Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1752aa73f504ad370ee0c685aff6515d48468357a147a357023fc884d70a17a6

Aliases

arxiv: 1705.00251 · arxiv_version: 1705.00251v1 · doi: 10.48550/arxiv.1705.00251 · pith_short_12: C5JKU47VASWT · pith_short_16: C5JKU47VASWTODXA · pith_short_8: C5JKU47V

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/C5JKU47VASWTODXAY2C275SRLV \
  | 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: 1752aa73f504ad370ee0c685aff6515d48468357a147a357023fc884d70a17a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92cb7a96d85e0a142ff917ac52349f411481f201b86e033cd5d68d8a2f6e2ae8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2017-04-29T23:33:13Z",
    "title_canon_sha256": "22ba1384eefbc45ab78d458ce2040779be7f61a067e9a0494297d32c865ff1e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.00251",
    "kind": "arxiv",
    "version": 1
  }
}