Pith Number

pith:4K6B7RCS

pith:2018:4K6B7RCS4UU26J44HROR2RSJYM

not attested not anchored not stored refs pending

Towards Deep Conversational Recommendations

Chris Pal, Hannes Schulz, Laurent Charlin, Raymond Li, Samira Kahou, Vincent Michalski

arxiv:1812.07617 v2 · 2018-12-18 · cs.LG · cs.CL · cs.IR · stat.ML

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4K6B7RCS4UU26J44HROR2RSJYM}

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	2026-05-17T23:52:09.256174Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2bc1fc452e529af279c3c5d1d4649c3156f66d8800f1c522c1e62dc65baa04a

Aliases

arxiv: 1812.07617 · arxiv_version: 1812.07617v2 · doi: 10.48550/arxiv.1812.07617 · pith_short_12: 4K6B7RCS4UU2 · pith_short_16: 4K6B7RCS4UU26J44 · pith_short_8: 4K6B7RCS

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/4K6B7RCS4UU26J44HROR2RSJYM \
  | 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: e2bc1fc452e529af279c3c5d1d4649c3156f66d8800f1c522c1e62dc65baa04a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b07cec214b68cdd047f7d1e265219b60f106a66a00db0d0697f77d7a6e0d981",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.IR",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-12-18T19:34:32Z",
    "title_canon_sha256": "9792ac02521cfcd67b00388c2f294ae3ffa4c41e446213f00984b2fbc8e8fcbf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.07617",
    "kind": "arxiv",
    "version": 2
  }
}