Pith Number

pith:3DG7FL57

pith:2014:3DG7FL57M6EALX4PILCHPI7JFU

not attested not anchored not stored refs pending

Learning Vague Concepts for the Semantic Web

Ewan Klein, Paolo Pareti

arxiv:1410.5078 v1 · 2014-10-19 · cs.AI · 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{3DG7FL57M6EALX4PILCHPI7JFU}

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	2026-05-18T02:39:46.978653Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8cdf2afbf678805df8f42c477a3e92d21804b77dbdea75d01890ae15eb93190

Aliases

arxiv: 1410.5078 · arxiv_version: 1410.5078v1 · doi: 10.48550/arxiv.1410.5078 · pith_short_12: 3DG7FL57M6EA · pith_short_16: 3DG7FL57M6EALX4P · pith_short_8: 3DG7FL57

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/3DG7FL57M6EALX4PILCHPI7JFU \
  | 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: d8cdf2afbf678805df8f42c477a3e92d21804b77dbdea75d01890ae15eb93190

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82735a6b307e8bd132f245a67e2c6d80960d50a306ee98b607a6d07d8e862282",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2014-10-19T14:34:23Z",
    "title_canon_sha256": "b63ecfb666a57ad5867b5b78d426cc8df9becc44918c9d8fa1e93c0cf39688a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.5078",
    "kind": "arxiv",
    "version": 1
  }
}