Pith Number

pith:H6OWBL52

pith:2019:H6OWBL52OSHWENKYD5MXFM7MRH

not attested not anchored not stored refs pending

Improving Background Based Conversation with Context-aware Knowledge Pre-selection

Maarten de Rijke, Pengjie Ren, Yangjun Zhang

arxiv:1906.06685 v1 · 2019-06-16 · 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{H6OWBL52OSHWENKYD5MXFM7MRH}

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	2026-05-17T23:43:12.928951Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f9d60afba748f6235581f5972b3ec89dc387088cb427cc4750dec5c725f8060

Aliases

arxiv: 1906.06685 · arxiv_version: 1906.06685v1 · doi: 10.48550/arxiv.1906.06685 · pith_short_12: H6OWBL52OSHW · pith_short_16: H6OWBL52OSHWENKY · pith_short_8: H6OWBL52

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/H6OWBL52OSHWENKYD5MXFM7MRH \
  | 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: 3f9d60afba748f6235581f5972b3ec89dc387088cb427cc4750dec5c725f8060

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea0a03b4874af35c639265af78e9969d61adbdad6c5ee7c6ebdb8fa77cb87a4d",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-06-16T13:33:55Z",
    "title_canon_sha256": "58b156b094e8340f1ed3000e41000874ec2c78e6060c7d788ed156637a31d39b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.06685",
    "kind": "arxiv",
    "version": 1
  }
}