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Pith Number

pith:5O2NTII2

pith:2021:5O2NTII2RIQUMRXSXPVKLPS2HD
not attested not anchored not stored refs pending

Learning Span-Level Interactions for Aspect Sentiment Triplet Extraction

Lidong Bing, Lu Xu, Yew Ken Chia

arxiv:2107.12214 v1 · 2021-07-26 · cs.CL

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{5O2NTII2RIQUMRXSXPVKLPS2HD}

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 2026-07-05T03:00:41.618350Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

ebb4d9a11a8a214646f2bbeaa5be5a38e5a57a4c4b414c2e6beb8c09d734c9e2

Aliases

arxiv: 2107.12214 · arxiv_version: 2107.12214v1 · doi: 10.48550/arxiv.2107.12214 · pith_short_12: 5O2NTII2RIQU · pith_short_16: 5O2NTII2RIQUMRXS · pith_short_8: 5O2NTII2
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/5O2NTII2RIQUMRXSXPVKLPS2HD \
  | 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: ebb4d9a11a8a214646f2bbeaa5be5a38e5a57a4c4b414c2e6beb8c09d734c9e2
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "5c8617bcaf1718adc4d1cbd133b27a004a252a2ac066f902518417dfebdc405e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-07-26T13:47:31Z",
    "title_canon_sha256": "628002f4de05bdb3905d3ab92a9b46a3be75889d99f4b309b7adf9aadefdb1d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.12214",
    "kind": "arxiv",
    "version": 1
  }
}