Pith Number

pith:EQIR6KZU

pith:2019:EQIR6KZUAJBL7CVUGJ2QQ3OQHA

not attested not anchored not stored refs pending

Similarity Learning for Authorship Verification in Social Media

Benedikt Boenninghoff, Dorothea Kolossa, Robert M. Nickel, Steffen Zeiler

arxiv:1908.07844 v1 · 2019-08-20 · cs.CL · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EQIR6KZUAJBL7CVUGJ2QQ3OQHA}

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	2026-07-04T23:59:01.741300Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24111f2b340242bf8ab43275086dd0381584c6bfeca8b59f7b7fb851eda1f148

Aliases

arxiv: 1908.07844 · arxiv_version: 1908.07844v1 · doi: 10.48550/arxiv.1908.07844 · pith_short_12: EQIR6KZUAJBL · pith_short_16: EQIR6KZUAJBL7CVU · pith_short_8: EQIR6KZU

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/EQIR6KZUAJBL7CVUGJ2QQ3OQHA \
  | 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: 24111f2b340242bf8ab43275086dd0381584c6bfeca8b59f7b7fb851eda1f148

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49963564e7886b4ad592ebf87e7bd4edee043f4fa4aa37b749e94e07f136b696",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-08-20T04:08:58Z",
    "title_canon_sha256": "0d21a6179dca8da64221253879b61c666f1bda38b075d219f1557a5faa5c6ab6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.07844",
    "kind": "arxiv",
    "version": 1
  }
}