Pith Number

pith:PSBKGB2A

pith:2021:PSBKGB2AYQHESCFE63RL7WCSLF

not attested not anchored not stored refs pending

"It doesn't look good for a date": Transforming Critiques into Preferences for Conversational Recommendation Systems

Doug Downey, Eunyee Koh, Jennifer Healey, Larry Birnbaum, Nedim Lipka, Victor S. Bursztyn

arxiv:2109.07576 v1 · 2021-09-15 · cs.CL · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PSBKGB2AYQHESCFE63RL7WCSLF}

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	2026-07-05T03:14:58.690644Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c82a30740c40e4908a4f6e2bfd8525973a87afef0b37d9dbea165dd2f18e2ad

Aliases

arxiv: 2109.07576 · arxiv_version: 2109.07576v1 · doi: 10.48550/arxiv.2109.07576 · pith_short_12: PSBKGB2AYQHE · pith_short_16: PSBKGB2AYQHESCFE · pith_short_8: PSBKGB2A

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/PSBKGB2AYQHESCFE63RL7WCSLF \
  | 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: 7c82a30740c40e4908a4f6e2bfd8525973a87afef0b37d9dbea165dd2f18e2ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd6339cc19274a9e482507be250d97439ef9b0091efdfe7273b56692c51f04da",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-09-15T21:10:33Z",
    "title_canon_sha256": "21c3212598d1c91577db2c03fc943e44094c5d1cc4ece4166b8eb1dbb6f53083"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.07576",
    "kind": "arxiv",
    "version": 1
  }
}