Pith Number

pith:L23XGRAM

pith:2018:L23XGRAM5IN3CB6L76NS65WRE2

not attested not anchored not stored refs pending

Joint Modeling and Optimization of Search and Recommendation

Hamed Zamani, W. Bruce Croft

arxiv:1807.05631 v1 · 2018-07-15 · 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{L23XGRAM5IN3CB6L76NS65WRE2}

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	2026-05-18T00:10:43.042129Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5eb773440cea1bb107cbff9b2f76d126940d9a0a4f4f0593a1c20c18f9b1cf3b

Aliases

arxiv: 1807.05631 · arxiv_version: 1807.05631v1 · doi: 10.48550/arxiv.1807.05631 · pith_short_12: L23XGRAM5IN3 · pith_short_16: L23XGRAM5IN3CB6L · pith_short_8: L23XGRAM

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/L23XGRAM5IN3CB6L76NS65WRE2 \
  | 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: 5eb773440cea1bb107cbff9b2f76d126940d9a0a4f4f0593a1c20c18f9b1cf3b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d9ded6e6dd7b0d0ccd0258c121fad2083219ab93a213657d2dffb09a1671aaf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2018-07-15T23:34:54Z",
    "title_canon_sha256": "cb7b4bb3ba3feaaabec6488a7584902c80f2aea3a8c90577e5e225750f03284d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.05631",
    "kind": "arxiv",
    "version": 1
  }
}