Pith Number

pith:YH47FOUY

pith:2016:YH47FOUYRG4UDBT3WUMSFM3QWT

not attested not anchored not stored refs pending

CER: Complementary Entity Recognition via Knowledge Expansion on Large Unlabeled Product Reviews

Hu Xu, Lei Shu, Philip S. Yu, Sihong Xie

arxiv:1612.01039 v1 · 2016-12-04 · 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{YH47FOUYRG4UDBT3WUMSFM3QWT}

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	2026-05-18T00:55:53.532822Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1f9f2ba9889b941867bb51922b370b4df590128d7ab97f5bbe147bb5f36df7e

Aliases

arxiv: 1612.01039 · arxiv_version: 1612.01039v1 · doi: 10.48550/arxiv.1612.01039 · pith_short_12: YH47FOUYRG4U · pith_short_16: YH47FOUYRG4UDBT3 · pith_short_8: YH47FOUY

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/YH47FOUYRG4UDBT3WUMSFM3QWT \
  | 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: c1f9f2ba9889b941867bb51922b370b4df590128d7ab97f5bbe147bb5f36df7e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17a1b756869de683c852651cf635a2d3499023c94c8ab3a8877416ef96c99db9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2016-12-04T00:22:44Z",
    "title_canon_sha256": "6f97ce844106ca8098c0842f420bfb484989c987192b1912968d95307092052d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.01039",
    "kind": "arxiv",
    "version": 1
  }
}