Pith Number

pith:ZZ2RJJTE

pith:2021:ZZ2RJJTE6SCSHZZYBLUN7BDPMS

not attested not anchored not stored refs pending

The Impact of Main Content Extraction on Near-Duplicate Detection

Benno Stein, Christopher Schr\"oder, Janek Bevendorff, Lukas Gienapp, Maik Fr\"obe, Martin Potthast, Matthias Hagen, Michael V\"olske, Robby Wagner

arxiv:2111.10864 v1 · 2021-11-21 · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZZ2RJJTE6SCSHZZYBLUN7BDPMS}

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	2026-07-05T03:33:57.593245Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce7514a664f48523e7380ae8df846f64836f9658820d4d251f86b7171f87387d

Aliases

arxiv: 2111.10864 · arxiv_version: 2111.10864v1 · doi: 10.48550/arxiv.2111.10864 · pith_short_12: ZZ2RJJTE6SCS · pith_short_16: ZZ2RJJTE6SCSHZZY · pith_short_8: ZZ2RJJTE

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/ZZ2RJJTE6SCSHZZYBLUN7BDPMS \
  | 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: ce7514a664f48523e7380ae8df846f64836f9658820d4d251f86b7171f87387d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "173c362e9e7e2e66a4656aaa04c962c6ce213e110c7766b358b47b07fcc20f4d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2021-11-21T17:34:39Z",
    "title_canon_sha256": "c2dad03edbe0bf2f6a4ade78934cdb88f7c30e5844375c396a64901b3246320d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.10864",
    "kind": "arxiv",
    "version": 1
  }
}