Pith Number

pith:RU6RERO2

pith:2021:RU6RERO2Z3VT5YRVUMV6VIJDWV

not attested not anchored not stored refs pending

Diversity-Aware Batch Active Learning for Dependency Parsing

Adrian Benton, Igor Malioutov, Ozan \.Irsoy, Tianze Shi

arxiv:2104.13936 v1 · 2021-04-28 · cs.CL · cs.AI · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RU6RERO2Z3VT5YRVUMV6VIJDWV}

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	2026-07-05T02:36:11.416370Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d3d1245daceeb3ee235a32beaa123b57417055471644ffcd0f0ac5201b09608

Aliases

arxiv: 2104.13936 · arxiv_version: 2104.13936v1 · doi: 10.48550/arxiv.2104.13936 · pith_short_12: RU6RERO2Z3VT · pith_short_16: RU6RERO2Z3VT5YRV · pith_short_8: RU6RERO2

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/RU6RERO2Z3VT5YRVUMV6VIJDWV \
  | 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: 8d3d1245daceeb3ee235a32beaa123b57417055471644ffcd0f0ac5201b09608

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0890e3ec1501e67790f49a990706b8fed34e18d404e29d03204695c5d6627af6",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-04-28T18:00:05Z",
    "title_canon_sha256": "13f6e1939216a76764c23e1eebbe52f3a2f5102c16ba3bba5510572ea77a963e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.13936",
    "kind": "arxiv",
    "version": 1
  }
}