Pith Number

pith:DKDGFLZQ

pith:2021:DKDGFLZQALV6RQ72DX4YI5CSTB

not attested not anchored not stored refs pending

A comparison of latent semantic analysis and correspondence analysis of document-term matrices

David J. Hessen, Peter G. M. van der Heijden, Qianqian Qi, Tejaswini Deoskar

arxiv:2108.06197 v4 · 2021-07-25 · cs.IR · cs.CL · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DKDGFLZQALV6RQ72DX4YI5CSTB}

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	2026-07-05T09:37:27.520555Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a8662af3002ebe8c3fa1df9847452985fc45ba10905beea3bc1f314cb99f7fc

Aliases

arxiv: 2108.06197 · arxiv_version: 2108.06197v4 · doi: 10.48550/arxiv.2108.06197 · pith_short_12: DKDGFLZQALV6 · pith_short_16: DKDGFLZQALV6RQ72 · pith_short_8: DKDGFLZQ

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/DKDGFLZQALV6RQ72DX4YI5CSTB \
  | 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: 1a8662af3002ebe8c3fa1df9847452985fc45ba10905beea3bc1f314cb99f7fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69cc2d1b418f0e512a7be5412e0e3296f478ea66759ae45c2b6e4384bc0ec4c9",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2021-07-25T09:10:10Z",
    "title_canon_sha256": "c9cf950327b8865fe9481a5638f6061b1fd18c22d3226a5259c17ab10faaac31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.06197",
    "kind": "arxiv",
    "version": 4
  }
}