Pith Number

pith:GFY4CQPY

pith:2023:GFY4CQPYYAWMEZ55KVWITYLSIT

not attested not anchored not stored refs pending

Improving information retrieval through correspondence analysis instead of latent semantic analysis

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

arxiv:2303.08030 v1 · 2023-03-14 · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GFY4CQPYYAWMEZ55KVWITYLSIT}

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	2026-07-05T06:50:39.386590Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3171c141f8c02cc267bd556c89e17244d5edb3c2525074625b5ceb1f44f835c9

Aliases

arxiv: 2303.08030 · arxiv_version: 2303.08030v1 · doi: 10.48550/arxiv.2303.08030 · pith_short_12: GFY4CQPYYAWM · pith_short_16: GFY4CQPYYAWMEZ55 · pith_short_8: GFY4CQPY

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/GFY4CQPYYAWMEZ55KVWITYLSIT \
  | 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: 3171c141f8c02cc267bd556c89e17244d5edb3c2525074625b5ceb1f44f835c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b04d7d0302f5214aa54cc5e10da470ea3ae7b414b39cc75a2bf35cabe97e2983",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2023-03-14T16:10:55Z",
    "title_canon_sha256": "3546ad8083f6c6d54cf6e9835bde1f1666d9b57c3450c216d8d4319339795bee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.08030",
    "kind": "arxiv",
    "version": 1
  }
}