Pith Number

pith:ZQOU6OGD

pith:2018:ZQOU6OGDCULAZIUPVN3V4IHD6G

not attested not anchored not stored refs pending

Using Sparse Semantic Embeddings Learned from Multimodal Text and Image Data to Model Human Conceptual Knowledge

Barry Devereux, Brian Murphy, Paul Miller, Steven Derby

arxiv:1809.02534 v3 · 2018-09-07 · 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{ZQOU6OGDCULAZIUPVN3V4IHD6G}

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	2026-05-18T00:00:43.066276Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc1d4f38c315160ca28fab775e20e3f191549dd7c8670b610dff3d5709a9cf21

Aliases

arxiv: 1809.02534 · arxiv_version: 1809.02534v3 · doi: 10.48550/arxiv.1809.02534 · pith_short_12: ZQOU6OGDCULA · pith_short_16: ZQOU6OGDCULAZIUP · pith_short_8: ZQOU6OGD

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/ZQOU6OGDCULAZIUPVN3V4IHD6G \
  | 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: cc1d4f38c315160ca28fab775e20e3f191549dd7c8670b610dff3d5709a9cf21

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99ea8129997fd050beeb74de8e4814cd200ba17e1aecf2dbec2bda88d5c23b2a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-09-07T15:22:04Z",
    "title_canon_sha256": "95fba7e92cb26feb9bb8f2ea1ee9de69e9fe5cf20857d23e2ba3888cdb755726"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.02534",
    "kind": "arxiv",
    "version": 3
  }
}