Pith Number

pith:CYFUB2ZU

pith:2018:CYFUB2ZU7XVJUB3DPF2DRKHAXN

not attested not anchored not stored refs pending

Conversational Recommender System

Yi Zhang, Yueming Sun

arxiv:1806.03277 v1 · 2018-06-08 · 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{CYFUB2ZU7XVJUB3DPF2DRKHAXN}

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	2026-05-18T00:13:48.910518Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

160b40eb34fdea9a0763797438a8e0bb613c76c0b0d8b3465997b4c54f0ff787

Aliases

arxiv: 1806.03277 · arxiv_version: 1806.03277v1 · doi: 10.48550/arxiv.1806.03277 · pith_short_12: CYFUB2ZU7XVJ · pith_short_16: CYFUB2ZU7XVJUB3D · pith_short_8: CYFUB2ZU

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/CYFUB2ZU7XVJUB3DPF2DRKHAXN \
  | 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: 160b40eb34fdea9a0763797438a8e0bb613c76c0b0d8b3465997b4c54f0ff787

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ca7a5f86ac21dd106722f31e1aa722bf34c1a8c99604535a8ceb930b176f49f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2018-06-08T17:15:28Z",
    "title_canon_sha256": "05b1efd5ba84f89cba4b66add16eaf17d5cce03bbf1bee56ce152477f885c4f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.03277",
    "kind": "arxiv",
    "version": 1
  }
}