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Pith Number

pith:PT3FZK2A

pith:2021:PT3FZK2AVCHXU2DMFSZUIWA55F
not attested not anchored not stored refs pending

Data Augmentation Approaches in Natural Language Processing: A Survey

Bohan Li, Wanxiang Che, Yutai Hou

arxiv:2110.01852 v3 · 2021-10-05 · cs.CL · cs.AI · cs.LG

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\usepackage{pith}
\pithnumber{PT3FZK2AVCHXU2DMFSZUIWA55F}

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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.

Cited by

1 paper in Pith

Receipt and verification
First computed 2026-07-05T04:34:47.427248Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

7cf65cab40a88f7a686c2cb344581de940ea96e924f8d8d8d235f732efbc8fb7

Aliases

arxiv: 2110.01852 · arxiv_version: 2110.01852v3 · doi: 10.48550/arxiv.2110.01852 · pith_short_12: PT3FZK2AVCHX · pith_short_16: PT3FZK2AVCHXU2DM · pith_short_8: PT3FZK2A
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/PT3FZK2AVCHXU2DMFSZUIWA55F \
  | 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: 7cf65cab40a88f7a686c2cb344581de940ea96e924f8d8d8d235f732efbc8fb7
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "51ab8ebc71d28a9fc4f34281704f0f3143ce2151faf90037f83c3b85ac2c0546",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-10-05T07:35:32Z",
    "title_canon_sha256": "cafdf04091b2ec62ed745e93afa75592cdb2c149b1747d22a8cd9234b8a41225"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.01852",
    "kind": "arxiv",
    "version": 3
  }
}