Pith Number

pith:QUTWKEVW

pith:2021:QUTWKEVWTGOMV4SAS2W7SSAWB6

not attested not anchored not stored refs pending

Key Point Analysis via Contrastive Learning and Extractive Argument Summarization

Henning Wachsmuth, Martin Potthast, Maximilian Splieth\"over, Milad Alshomary, Philipp Cimiano, Philipp Heinrich, Shahbaz Syed, Timon Gurcke

arxiv:2109.15086 v2 · 2021-09-30 · 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{QUTWKEVWTGOMV4SAS2W7SSAWB6}

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	2026-07-05T03:24:45.261609Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85276512b6999ccaf24096adf948160faee090741a5dae92f48803611b334ae5

Aliases

arxiv: 2109.15086 · arxiv_version: 2109.15086v2 · doi: 10.48550/arxiv.2109.15086 · pith_short_12: QUTWKEVWTGOM · pith_short_16: QUTWKEVWTGOMV4SA · pith_short_8: QUTWKEVW

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/QUTWKEVWTGOMV4SAS2W7SSAWB6 \
  | 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: 85276512b6999ccaf24096adf948160faee090741a5dae92f48803611b334ae5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69eafe981d62670eb8df0dca16679b4a5e199f8d9fce58b6789429bbaf7c9de9",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-09-30T12:54:26Z",
    "title_canon_sha256": "bf7b42645b9fc0dc070bbd5853055fa2da822996b8bc4ccf0d179152940c0005"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.15086",
    "kind": "arxiv",
    "version": 2
  }
}