Pith Number

pith:UROD5SD5

pith:1995:UROD5SD5PBVAEMOHIB63FZXCNP

not attested not anchored not stored refs pending

Using Information Content to Evaluate Semantic Similarity in a Taxonomy

Philip Resnik

arxiv:cmp-lg/9511007 v1 · 1995-11-29 · cmp-lg · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UROD5SD5PBVAEMOHIB63FZXCNP}

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	2026-07-04T15:08:27.192445Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a45c3ec87d786a0231c7407db2e6e26bdb710d5e2f876ac1f7be1dc1cba49450

Aliases

arxiv: cmp-lg/9511007 · arxiv_version: cmp-lg/9511007v1 · doi: 10.48550/arxiv.cmp-lg/9511007 · pith_short_12: UROD5SD5PBVA · pith_short_16: UROD5SD5PBVAEMOH · pith_short_8: UROD5SD5

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/UROD5SD5PBVAEMOHIB63FZXCNP \
  | 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: a45c3ec87d786a0231c7407db2e6e26bdb710d5e2f876ac1f7be1dc1cba49450

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "958b0a24741e86f50c7eec78aaa015fe963e5a90e57e6bfa918d00e44b1242c8",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "",
    "primary_cat": "cmp-lg",
    "submitted_at": "1995-11-29T19:32:04Z",
    "title_canon_sha256": "660ca7252f70af8f9de61f6e3bb250acadab2fea4eadf2a6b91421c8bc263442"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cmp-lg/9511007",
    "kind": "arxiv",
    "version": 1
  }
}