Pith Number

pith:2H2TU4BL

pith:2015:2H2TU4BL4YYCYG3Y6ADTMM73OQ

not attested not anchored not stored refs pending

Sparse Overcomplete Word Vector Representations

Chris Dyer, Dani Yogatama, Manaal Faruqui, Noah Smith, Yulia Tsvetkov

arxiv:1506.02004 v1 · 2015-06-05 · 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{2H2TU4BL4YYCYG3Y6ADTMM73OQ}

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	2026-05-18T01:55:58.705137Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1f53a702be6302c1b78f0073633fb743fea7a7af6bdd3845e5ccde0764d7904

Aliases

arxiv: 1506.02004 · arxiv_version: 1506.02004v1 · doi: 10.48550/arxiv.1506.02004 · pith_short_12: 2H2TU4BL4YYC · pith_short_16: 2H2TU4BL4YYCYG3Y · pith_short_8: 2H2TU4BL

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/2H2TU4BL4YYCYG3Y6ADTMM73OQ \
  | 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: d1f53a702be6302c1b78f0073633fb743fea7a7af6bdd3845e5ccde0764d7904

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4475af00928a2868cba428b629ef815b3aab47b1837be11bbdb890b6eff2a1b6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2015-06-05T18:20:43Z",
    "title_canon_sha256": "64e1884812372238f5ac14fc76fa5550f3c52d0f1ba4832a96b6965b17ad868a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.02004",
    "kind": "arxiv",
    "version": 1
  }
}