Pith Number

pith:U5Z47ZMF

pith:2019:U5Z47ZMFMFSI3AXSOEBGCQ4QOL

not attested not anchored not stored refs pending

Vector representations of text data in deep learning

Karol Grzegorczyk

arxiv:1901.01695 v1 · 2019-01-07 · cs.CL · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U5Z47ZMFMFSI3AXSOEBGCQ4QOL}

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	2026-05-17T23:56:51.435120Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a773cfe58561648d82f2710261439072d7e50aa3a9843bb2f78d9991a744f1f8

Aliases

arxiv: 1901.01695 · arxiv_version: 1901.01695v1 · doi: 10.48550/arxiv.1901.01695 · pith_short_12: U5Z47ZMFMFSI · pith_short_16: U5Z47ZMFMFSI3AXS · pith_short_8: U5Z47ZMF

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/U5Z47ZMFMFSI3AXSOEBGCQ4QOL \
  | 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: a773cfe58561648d82f2710261439072d7e50aa3a9843bb2f78d9991a744f1f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79f93af213d6f5b13ecfac21b18573d6096765c7c49bf61f8954920150d7f57a",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-01-07T08:03:35Z",
    "title_canon_sha256": "ff7d0c1c4e552805a90237f7c2df0d7b3a441ca5e9814bf1cbba6b621bc005f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.01695",
    "kind": "arxiv",
    "version": 1
  }
}