Pith Number

pith:TKU43W22

pith:2020:TKU43W22X3GO2VDOTJ6EB4EYMJ

not attested not anchored not stored refs pending

Wasserstein Distance Regularized Sequence Representation for Text Matching in Asymmetrical Domains

Chen Xu, Ji-Rong Wen, Jun Xu, Liang Pang, Weijie Yu, Xiaopeng Gao, Xiaozhao Wang

arxiv:2010.07717 v2 · 2020-10-15 · cs.CL · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TKU43W22X3GO2VDOTJ6EB4EYMJ}

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	2026-07-05T01:43:42.913676Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9aa9cddb5abecced546e9a7c40f09862464ff39967ade409a6349db322756f69

Aliases

arxiv: 2010.07717 · arxiv_version: 2010.07717v2 · doi: 10.48550/arxiv.2010.07717 · pith_short_12: TKU43W22X3GO · pith_short_16: TKU43W22X3GO2VDO · pith_short_8: TKU43W22

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/TKU43W22X3GO2VDOTJ6EB4EYMJ \
  | 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: 9aa9cddb5abecced546e9a7c40f09862464ff39967ade409a6349db322756f69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3d0d5653429df0ced2b856425b6eecf6266de0152f3b5b181810b5c6aa92a06",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2020-10-15T12:52:09Z",
    "title_canon_sha256": "533299b3502773d0c4608db3147926007245d88dca17d8ce32113b54250394b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.07717",
    "kind": "arxiv",
    "version": 2
  }
}