Pith Number

pith:KQVM5B6N

pith:2021:KQVM5B6NKMW6OV7L5LV3U5FZHD

not attested not anchored not stored refs pending

LET: Linguistic Knowledge Enhanced Graph Transformer for Chinese Short Text Matching

Boer Lyu, Kai Yu, Lu Chen, Su Zhu

arxiv:2102.12671 v1 · 2021-02-25 · cs.CL · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KQVM5B6NKMW6OV7L5LV3U5FZHD}

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	2026-07-05T02:18:22.726596Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

542ace87cd532de757ebeaebba74b938c86d216d0756d7c8ac269424175fd95c

Aliases

arxiv: 2102.12671 · arxiv_version: 2102.12671v1 · doi: 10.48550/arxiv.2102.12671 · pith_short_12: KQVM5B6NKMW6 · pith_short_16: KQVM5B6NKMW6OV7L · pith_short_8: KQVM5B6N

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/KQVM5B6NKMW6OV7L5LV3U5FZHD \
  | 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: 542ace87cd532de757ebeaebba74b938c86d216d0756d7c8ac269424175fd95c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39d83ba6a685b18b1c04a62c4ab9f880ff8c2094370bdd190c0a63d6ca4f50e9",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-02-25T04:01:51Z",
    "title_canon_sha256": "c74ab391a85c218c465744f4a24a6f0dde0d84e98a3d5004697bc9dc39c94b3d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.12671",
    "kind": "arxiv",
    "version": 1
  }
}