Pith Number

pith:7RHJHMZY

pith:2022:7RHJHMZYDPERRCBJAKHW5636YD

not attested not anchored not stored refs pending

Conversational Recommendation: A Grand AI Challenge

Dietmar Jannach, Li Chen

arxiv:2203.09126 v1 · 2022-03-17 · cs.AI · cs.HC · 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{7RHJHMZYDPERRCBJAKHW5636YD}

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	2026-07-05T04:06:07.749796Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc4e93b3381bc9188829028f6efb7ec0e8abf62cf6157f2e6fa4058fd12711c5

Aliases

arxiv: 2203.09126 · arxiv_version: 2203.09126v1 · doi: 10.48550/arxiv.2203.09126 · pith_short_12: 7RHJHMZYDPER · pith_short_16: 7RHJHMZYDPERRCBJ · pith_short_8: 7RHJHMZY

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/7RHJHMZYDPERRCBJAKHW5636YD \
  | 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: fc4e93b3381bc9188829028f6efb7ec0e8abf62cf6157f2e6fa4058fd12711c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "166760d23c7bcf6a291fa19be8346050100a295f4a83e96f6d93778c60153206",
    "cross_cats_sorted": [
      "cs.HC",
      "cs.IR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2022-03-17T07:06:00Z",
    "title_canon_sha256": "0959561190e3928978edc4c63a24bad6a9db63e0ae333b4382b8a2954512735a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.09126",
    "kind": "arxiv",
    "version": 1
  }
}