Pith. sign in
Pith Number

pith:2QCNXU23

pith:2021:2QCNXU236GGRUWVRDGTT57HHCU
not attested not anchored not stored refs pending

Reference-Centric Models for Grounded Collaborative Dialogue

Daniel Fried, Dan Klein, Justin T. Chiu

arxiv:2109.05042 v1 · 2021-09-10 · cs.CL

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{2QCNXU236GGRUWVRDGTT57HHCU}

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 2026-07-05T03:13:33.540439Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

d404dbd35bf18d1a5ab119a73efce715110da4b53c4a6fe32c588f7a9ef3d195

Aliases

arxiv: 2109.05042 · arxiv_version: 2109.05042v1 · doi: 10.48550/arxiv.2109.05042 · pith_short_12: 2QCNXU236GGR · pith_short_16: 2QCNXU236GGRUWVR · pith_short_8: 2QCNXU23
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/2QCNXU236GGRUWVRDGTT57HHCU \
  | 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: d404dbd35bf18d1a5ab119a73efce715110da4b53c4a6fe32c588f7a9ef3d195
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "f682498109d7e86c76398baa3d0754ef18ff1be7e26cf62693b43063fddfca29",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-09-10T18:03:54Z",
    "title_canon_sha256": "23ccf51cd2a9cfaf94250a9cfddecd5d972731adec9b46042d05c5871aae76c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.05042",
    "kind": "arxiv",
    "version": 1
  }
}