Pith Number

pith:SUZ7HQ52

pith:2019:SUZ7HQ527AZMG7NUBJUL4MVBYU

not attested not anchored not stored refs pending

On the Effect of Low-Frequency Terms on Neural-IR Models

Allan Hanbury, Carsten Eickhoff, Navid Rekabsaz, Sebastian Hofst\"atter

arxiv:1904.12683 v2 · 2019-04-29 · 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{SUZ7HQ527AZMG7NUBJUL4MVBYU}

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	2026-05-17T23:47:24.604892Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9533f3c3baf832c37db40a68be32a1c51a33eb50889849a69f729088e2dba794

Aliases

arxiv: 1904.12683 · arxiv_version: 1904.12683v2 · doi: 10.48550/arxiv.1904.12683 · pith_short_12: SUZ7HQ527AZM · pith_short_16: SUZ7HQ527AZMG7NU · pith_short_8: SUZ7HQ52

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/SUZ7HQ527AZMG7NUBJUL4MVBYU \
  | 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: 9533f3c3baf832c37db40a68be32a1c51a33eb50889849a69f729088e2dba794

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "006bafc0d121bee35d30aac1c8efec040dd2f52e2b222910c5aa7dd9205c27d4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2019-04-29T13:07:44Z",
    "title_canon_sha256": "2d16fd46e639afdd4ebccaba411b98a49ff53a2ed3771d74db90f9d60a3a98a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.12683",
    "kind": "arxiv",
    "version": 2
  }
}