Pith Number

pith:ZP7E52CB

pith:2020:ZP7E52CBPNFGWOZD6MOKAUHBD6

not attested not anchored not stored refs pending

A Survey on Conversational Recommender Systems

Ahtsham Manzoor, Dietmar Jannach, Li Chen, Wanling Cai

arxiv:2004.00646 v2 · 2020-04-01 · cs.HC · cs.AI · 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{ZP7E52CBPNFGWOZD6MOKAUHBD6}

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	2026-07-05T02:44:32.339211Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cbfe4ee8417b4a6b3b23f31ca050e11f842b49a7606163751b2177b0e15ef9ff

Aliases

arxiv: 2004.00646 · arxiv_version: 2004.00646v2 · doi: 10.48550/arxiv.2004.00646 · pith_short_12: ZP7E52CBPNFG · pith_short_16: ZP7E52CBPNFGWOZD · pith_short_8: ZP7E52CB

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/ZP7E52CBPNFGWOZD6MOKAUHBD6 \
  | 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: cbfe4ee8417b4a6b3b23f31ca050e11f842b49a7606163751b2177b0e15ef9ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fbfe5ba69011b9c02ed85d526d73ffa94648d9126a78e9ccf9dbb64bd6915751",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2020-04-01T18:00:47Z",
    "title_canon_sha256": "e75b36c38e5036c662c56e3df0f6629887f58471318531e4750c0c48df910bc4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.00646",
    "kind": "arxiv",
    "version": 2
  }
}