Pith Number

pith:PPSW4AZN

pith:2025:PPSW4AZN42FOAIBJAZVC7HRCCR

not attested not anchored not stored refs pending

Comparing Lexical and Semantic Vector Search Methods When Classifying Medical Documents

Lee Harris

arxiv:2505.11582 v2 · 2025-05-16 · cs.IR · 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{PPSW4AZN42FOAIBJAZVC7HRCCR}

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	2026-07-05T11:14:59.697822Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7be56e032de68ae02029066a2f9e22145a576dcb0142f101acd7a7779c1e4bab

Aliases

arxiv: 2505.11582 · arxiv_version: 2505.11582v2 · doi: 10.48550/arxiv.2505.11582 · pith_short_12: PPSW4AZN42FO · pith_short_16: PPSW4AZN42FOAIBJ · pith_short_8: PPSW4AZN

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/PPSW4AZN42FOAIBJAZVC7HRCCR \
  | 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: 7be56e032de68ae02029066a2f9e22145a576dcb0142f101acd7a7779c1e4bab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "397effe7b9f9d00fb5df5335db889eb7034045c577c958fa9f70aa1ff93a15b3",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2025-05-16T17:06:35Z",
    "title_canon_sha256": "4832d76f1f42cd9fc84e9119a0917987720ab8de706271281dc9d1b3b96ee2e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.11582",
    "kind": "arxiv",
    "version": 2
  }
}