Pith Number

pith:2IRMXUWZ

pith:2022:2IRMXUWZ74WCUUYY26SI5BEH4D

not attested not anchored not stored refs pending

A Survey of Active Learning for Natural Language Processing

Eduard Hovy, Emma Strubell, Zhisong Zhang

arxiv:2210.10109 v2 · 2022-10-18 · 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{2IRMXUWZ74WCUUYY26SI5BEH4D}

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	2026-07-05T05:38:29.544848Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d222cbd2d9ff2c2a5318d7a48e8487e0d8b5da39f4d249c93a39a2e792ebf5b7

Aliases

arxiv: 2210.10109 · arxiv_version: 2210.10109v2 · doi: 10.48550/arxiv.2210.10109 · pith_short_12: 2IRMXUWZ74WC · pith_short_16: 2IRMXUWZ74WCUUYY · pith_short_8: 2IRMXUWZ

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/2IRMXUWZ74WCUUYY26SI5BEH4D \
  | 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: d222cbd2d9ff2c2a5318d7a48e8487e0d8b5da39f4d249c93a39a2e792ebf5b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87991bd7a18db0b97b0651f2198f813e13878a599e5e55487772256ab915d683",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2022-10-18T19:14:42Z",
    "title_canon_sha256": "0c13913002a5538a2f45b93871dcbdeaaa47abb4fa5db318f9f977bf17f62e08"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2210.10109",
    "kind": "arxiv",
    "version": 2
  }
}