Pith Number

pith:7M6OENMC

pith:2019:7M6OENMC6G2LKVTVPPKFDICVZK

not attested not anchored not stored refs pending

Topic-aware chatbot using Recurrent Neural Networks and Nonnegative Matrix Factorization

Deanna Needell, Hanbaek Lyu, Henry Sojico, Jiahao Qu, Nicholas Hanoian, Nicholas Liskij, Yuchen Guo, Yuliang Wang, Zhenhong Zou, Zhexiao Lin, Zhe Xiong

arxiv:1912.00315 v2 · 2019-12-01 · cs.CL · cs.LG · math.OC · 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{7M6OENMC6G2LKVTVPPKFDICVZK}

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	2026-07-05T00:23:52.334908Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb3ce23582f1b4b556757bd451a055ca9bd237c83c2a0abb24f1b10fd9817e05

Aliases

arxiv: 1912.00315 · arxiv_version: 1912.00315v2 · doi: 10.48550/arxiv.1912.00315 · pith_short_12: 7M6OENMC6G2L · pith_short_16: 7M6OENMC6G2LKVTV · pith_short_8: 7M6OENMC

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/7M6OENMC6G2LKVTVPPKFDICVZK \
  | 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: fb3ce23582f1b4b556757bd451a055ca9bd237c83c2a0abb24f1b10fd9817e05

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02dbef79525ceb030b4084dd78990327a667f02a0045fc40b4cf078c13f1322c",
    "cross_cats_sorted": [
      "cs.LG",
      "math.OC",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-12-01T04:22:51Z",
    "title_canon_sha256": "29f7ec4c5ae6ab4466d299e939ba9da0cfbd5025f2f8ef448984564609132726"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.00315",
    "kind": "arxiv",
    "version": 2
  }
}