Pith Number

pith:JOFOZAN4

pith:2021:JOFOZAN4BGU66RYXGXPPCUYUFH

not attested not anchored not stored refs pending

Small-Text: Active Learning for Text Classification in Python

Andreas Niekler, Christopher Schr\"oder, Lydia M\"uller, Martin Potthast

arxiv:2107.10314 v7 · 2021-07-21 · cs.LG · 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{JOFOZAN4BGU66RYXGXPPCUYUFH}

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	2026-07-05T06:58:03.630861Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b8aec81bc09a9ef471735def1531429d11db34df8b221caf5f0c0de1c78225f

Aliases

arxiv: 2107.10314 · arxiv_version: 2107.10314v7 · doi: 10.48550/arxiv.2107.10314 · pith_short_12: JOFOZAN4BGU6 · pith_short_16: JOFOZAN4BGU66RYX · pith_short_8: JOFOZAN4

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/JOFOZAN4BGU66RYXGXPPCUYUFH \
  | 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: 4b8aec81bc09a9ef471735def1531429d11db34df8b221caf5f0c0de1c78225f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a549ce4073334c384cea5cdf28002707f3b9655c4140e0c56600328b173ad54f",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-07-21T19:23:56Z",
    "title_canon_sha256": "3dd4c9bac3e85e87943071ba2e67fd282bc902618a77bbf756e6efa87962c89c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.10314",
    "kind": "arxiv",
    "version": 7
  }
}