Pith Number

pith:7K7KQWZC

pith:2022:7K7KQWZCO4ZSWHTKWNSER45JYL

not attested not anchored not stored refs pending

Feature Engineering vs BERT on Twitter Data

Lisa Chalaguine, Ryiaadh Gani

arxiv:2210.16168 v1 · 2022-10-28 · cs.CL · 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{7K7KQWZCO4ZSWHTKWNSER45JYL}

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	2026-07-05T05:11:31.115931Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fabea85b2277332b1e6ab36448f3a9c2c427929706651002ac89b852690c3f5f

Aliases

arxiv: 2210.16168 · arxiv_version: 2210.16168v1 · doi: 10.48550/arxiv.2210.16168 · pith_short_12: 7K7KQWZCO4ZS · pith_short_16: 7K7KQWZCO4ZSWHTK · pith_short_8: 7K7KQWZC

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/7K7KQWZCO4ZSWHTKWNSER45JYL \
  | 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: fabea85b2277332b1e6ab36448f3a9c2c427929706651002ac89b852690c3f5f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "738bf6981335f64effaa4d6636e27b00d61fbd0f9ccb4956b9e977605d0de2ce",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2022-10-28T14:43:13Z",
    "title_canon_sha256": "9c9b6ad45c879eb6434541b65286aca1f9cae3476dbbcee9e66880c57f2e7e79"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2210.16168",
    "kind": "arxiv",
    "version": 1
  }
}