Pith Number

pith:REPQPGLC

pith:2016:REPQPGLCENLWALMC2JPSIA6EWP

not attested not anchored not stored refs pending

Distance Metric Learning for Aspect Phrase Grouping

Donghong Ji, Shufeng Xiong, Yinxia Lou, Yue Zhang

arxiv:1604.08672 v2 · 2016-04-29 · 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{REPQPGLCENLWALMC2JPSIA6EWP}

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	2026-05-18T01:00:53.115513Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

891f0799622357602d82d25f2403c4b3ed5b81317379b4d6dada0f8f4a109e6b

Aliases

arxiv: 1604.08672 · arxiv_version: 1604.08672v2 · doi: 10.48550/arxiv.1604.08672 · pith_short_12: REPQPGLCENLW · pith_short_16: REPQPGLCENLWALMC · pith_short_8: REPQPGLC

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/REPQPGLCENLWALMC2JPSIA6EWP \
  | 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: 891f0799622357602d82d25f2403c4b3ed5b81317379b4d6dada0f8f4a109e6b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5355232d51315b993839d8a37a783aacb599845c5b456ccb06227b08578f0ce1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2016-04-29T02:44:02Z",
    "title_canon_sha256": "4182ae720967d96affbc0ee007e42cc3197e14d3d68f782cd225e24ccae1f03f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.08672",
    "kind": "arxiv",
    "version": 2
  }
}