Pith Number

pith:Y76ZYCZL

pith:2017:Y76ZYCZLCKCG66D5S4RQGVUMW3

not attested not anchored not stored refs pending

Addressing the Data Sparsity Issue in Neural AMR Parsing

Chuan Wang, Daniel Gildea, Nianwen Xue, Xiaochang Peng

arxiv:1702.05053 v1 · 2017-02-16 · 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{Y76ZYCZLCKCG66D5S4RQGVUMW3}

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	2026-05-18T00:50:36.357085Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7fd9c0b2b12846f787d972303568cb6c7a89d3af917570b2ef41be3a6df2efa

Aliases

arxiv: 1702.05053 · arxiv_version: 1702.05053v1 · doi: 10.48550/arxiv.1702.05053 · pith_short_12: Y76ZYCZLCKCG · pith_short_16: Y76ZYCZLCKCG66D5 · pith_short_8: Y76ZYCZL

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/Y76ZYCZLCKCG66D5S4RQGVUMW3 \
  | 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: c7fd9c0b2b12846f787d972303568cb6c7a89d3af917570b2ef41be3a6df2efa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e1e8e70b35cfa91755765cbf2285266212d554aa71621cb4d4bf1e1db00446f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2017-02-16T17:09:12Z",
    "title_canon_sha256": "e96cf536ff0a83b1c741b40f93c2c1e3c973adfaa0df78d08b9b7c333a658833"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.05053",
    "kind": "arxiv",
    "version": 1
  }
}