Pith Number

pith:OSEE3U6Y

pith:2021:OSEE3U6YWHEA35CFKYYS3YMFLI

not attested not anchored not stored refs pending

Data Augmentation for Low-Resource Named Entity Recognition Using Backtranslation

Stefan Langer, Usama Yaseen

arxiv:2108.11703 v1 · 2021-08-26 · 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{OSEE3U6YWHEA35CFKYYS3YMFLI}

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	2026-07-05T03:09:09.083671Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74884dd3d8b1c80df44556312de1855a1a3c85e038ad35b8a43718cda99cc2be

Aliases

arxiv: 2108.11703 · arxiv_version: 2108.11703v1 · doi: 10.48550/arxiv.2108.11703 · pith_short_12: OSEE3U6YWHEA · pith_short_16: OSEE3U6YWHEA35CF · pith_short_8: OSEE3U6Y

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/OSEE3U6YWHEA35CFKYYS3YMFLI \
  | 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: 74884dd3d8b1c80df44556312de1855a1a3c85e038ad35b8a43718cda99cc2be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53390e45c90f2f747a5cfabc5b5635fbc3341feca8e1fea0129f7017695610b4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-08-26T10:56:39Z",
    "title_canon_sha256": "a0badcdfe77dc6eac6fe005308ec666f875502c94bab02344eaf1a86f7a15161"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.11703",
    "kind": "arxiv",
    "version": 1
  }
}