Pith Number

pith:QE7HHVUB

pith:2019:QE7HHVUBO367CBTSYCMKM2MWG4

not attested not anchored not stored refs pending

Optimal Transport-based Alignment of Learned Character Representations for String Similarity

Aaron Traylor, Andrew McCallum, Ari Kobren, Derek Tam, Nicholas Monath, Rajarshi Das

arxiv:1907.10165 v1 · 2019-07-23 · cs.LG · cs.CL · 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{QE7HHVUBO367CBTSYCMKM2MWG4}

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	2026-05-17T23:39:38.832537Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

813e73d68176fdf10672c098a66996371ebf382a371d4b0c90754bcf90420a86

Aliases

arxiv: 1907.10165 · arxiv_version: 1907.10165v1 · doi: 10.48550/arxiv.1907.10165 · pith_short_12: QE7HHVUBO367 · pith_short_16: QE7HHVUBO367CBTS · pith_short_8: QE7HHVUB

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/QE7HHVUBO367CBTSYCMKM2MWG4 \
  | 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: 813e73d68176fdf10672c098a66996371ebf382a371d4b0c90754bcf90420a86

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50536bee5804063cf1b3f8650579c614ba185a4741b399b3dbcac9ce5eec5615",
    "cross_cats_sorted": [
      "cs.CL",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-07-23T22:41:22Z",
    "title_canon_sha256": "b64431ac5ced74de150ab17a1c9347acdb645702913ef5d181c42f237e46ac67"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.10165",
    "kind": "arxiv",
    "version": 1
  }
}