Pith Number

pith:QPGEWORW

pith:2025:QPGEWORWXPERVNZXYK3C623ZGD

not attested not anchored not stored refs pending

Can summarization approximate simplification? A gold standard comparison

Eduard Barbu, Giacomo Magnifico

arxiv:2501.16181 v1 · 2025-01-27 · 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{QPGEWORWXPERVNZXYK3C623ZGD}

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	2026-07-05T10:51:31.869583Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83cc4b3a36bbc91ab737c2b62f6b7930ddb4e0c8b7a8d5ae721330b63191c661

Aliases

arxiv: 2501.16181 · arxiv_version: 2501.16181v1 · doi: 10.48550/arxiv.2501.16181 · pith_short_12: QPGEWORWXPER · pith_short_16: QPGEWORWXPERVNZX · pith_short_8: QPGEWORW

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/QPGEWORWXPERVNZXYK3C623ZGD \
  | 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: 83cc4b3a36bbc91ab737c2b62f6b7930ddb4e0c8b7a8d5ae721330b63191c661

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c81ed1b19443323bf8fe5463e89a68ea105761cc4e13d7d4947bc141d3281049",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-01-27T16:27:41Z",
    "title_canon_sha256": "8533140d7e96c6137777dcfcb59285cf1021f243a33e70c269514992dba1e207"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.16181",
    "kind": "arxiv",
    "version": 1
  }
}