Pith Number

pith:HXQ6FD4F

pith:2017:HXQ6FD4FPICFWF6Y3ULZXNUCON

not attested not anchored not stored refs pending

Unsupervised Sentence Representations as Word Information Series: Revisiting TF--IDF

Carlos-Francisco M\'endez-Cruz, Gerardo Sierra, Grigori Sidorov, Ignacio Arroyo-Fern\'andez, Juan-Manuel Torres-Moreno

arxiv:1710.06524 v2 · 2017-10-17 · 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{HXQ6FD4FPICFWF6Y3ULZXNUCON}

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	2026-05-18T00:32:25.326872Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3de1e28f857a045b17d8dd179bb6827350c8f8ff6f71c6a2dbe7f0b036c4cc09

Aliases

arxiv: 1710.06524 · arxiv_version: 1710.06524v2 · doi: 10.48550/arxiv.1710.06524 · pith_short_12: HXQ6FD4FPICF · pith_short_16: HXQ6FD4FPICFWF6Y · pith_short_8: HXQ6FD4F

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/HXQ6FD4FPICFWF6Y3ULZXNUCON \
  | 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: 3de1e28f857a045b17d8dd179bb6827350c8f8ff6f71c6a2dbe7f0b036c4cc09

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "94ca75707a352d7906b70e0af104cc5f10514b12b7a43889eecd997ddef144c3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2017-10-17T23:13:32Z",
    "title_canon_sha256": "f6840b53a737efc9db6e17228e647541e116fa1d9883c647dd2470037156ad27"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.06524",
    "kind": "arxiv",
    "version": 2
  }
}