Pith Number

pith:TMHD4LWB

pith:2018:TMHD4LWBUVWZWEV3KKXG2JWDBJ

not attested not anchored not stored refs pending

Unsupervised Post-processing of Word Vectors via Conceptor Negation

Jo\~ao Sedoc, Lyle Ungar, Tianlin Liu

arxiv:1811.11001 v2 · 2018-11-17 · cs.CL · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TMHD4LWBUVWZWEV3KKXG2JWDBJ}

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	2026-05-17T23:59:21.947999Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9b0e3e2ec1a56d9b12bb52ae6d26c30a4b06b3e89d80b3e3bc52507e5da0f2ef

Aliases

arxiv: 1811.11001 · arxiv_version: 1811.11001v2 · doi: 10.48550/arxiv.1811.11001 · pith_short_12: TMHD4LWBUVWZ · pith_short_16: TMHD4LWBUVWZWEV3 · pith_short_8: TMHD4LWB

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/TMHD4LWBUVWZWEV3KKXG2JWDBJ \
  | 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: 9b0e3e2ec1a56d9b12bb52ae6d26c30a4b06b3e89d80b3e3bc52507e5da0f2ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8811c3ce1b89167a8ed10349ace98f6856e87d8b1716d583c7d77caf081da040",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-11-17T20:12:40Z",
    "title_canon_sha256": "5e4a6cdc17f32c54bfcb3d064a5097b0e5a2fad1bd63dbcd28729c524554b867"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.11001",
    "kind": "arxiv",
    "version": 2
  }
}