Pith Number

pith:JL4E2QGC

pith:2019:JL4E2QGC4IMK7LRQFKY43RFWTS

not attested not anchored not stored refs pending

Query Term Weighting based on Query Performance Prediction

Haggai Roitman

arxiv:1902.10371 v1 · 2019-02-27 · 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{JL4E2QGC4IMK7LRQFKY43RFWTS}

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	2026-05-17T23:52:31.037817Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4af84d40c2e218afae302ab1cdc4b69c98cb97c964948fe9931a6412abb46fb8

Aliases

arxiv: 1902.10371 · arxiv_version: 1902.10371v1 · doi: 10.48550/arxiv.1902.10371 · pith_short_12: JL4E2QGC4IMK · pith_short_16: JL4E2QGC4IMK7LRQ · pith_short_8: JL4E2QGC

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/JL4E2QGC4IMK7LRQFKY43RFWTS \
  | 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: 4af84d40c2e218afae302ab1cdc4b69c98cb97c964948fe9931a6412abb46fb8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "babd9be026bf9ab678266a4365ab8ca3ab870efbceda206e72902c4376aafab8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2019-02-27T07:42:53Z",
    "title_canon_sha256": "e33087241ae070f8b17088cfba680f37598e1846bc6cca3a3e61e9d91ad81a7b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.10371",
    "kind": "arxiv",
    "version": 1
  }
}