Pith Number

pith:NSCUFH74

pith:2018:NSCUFH7435SHGFJGZUL6AWRLI7

not attested not anchored not stored refs pending

Learning and Evaluating Sparse Interpretable Sentence Embeddings

Anna Potapenko, Octavian-Eugen Ganea, Thomas Hofmann, Valentin Trifonov

arxiv:1809.08621 v2 · 2018-09-23 · 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{NSCUFH7435SHGFJGZUL6AWRLI7}

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	2026-05-18T00:04:54.253432Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c85429ffcdf64731526cd17e05a2b47ffde81df9d3c891911fbc5f4f52a023f

Aliases

arxiv: 1809.08621 · arxiv_version: 1809.08621v2 · doi: 10.48550/arxiv.1809.08621 · pith_short_12: NSCUFH7435SH · pith_short_16: NSCUFH7435SHGFJG · pith_short_8: NSCUFH74

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/NSCUFH7435SHGFJGZUL6AWRLI7 \
  | 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: 6c85429ffcdf64731526cd17e05a2b47ffde81df9d3c891911fbc5f4f52a023f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "958cc5a060cb3d978ac13bd181e5dd8478f9ac5dd7036b0897bb654dde617d8b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-09-23T16:02:03Z",
    "title_canon_sha256": "1c4b747d05789a6590b84e9f81760aa611e68e9401ee2c2a51974d5d6e4ac92c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.08621",
    "kind": "arxiv",
    "version": 2
  }
}