Pith Number

pith:OQKZL6EQ

pith:2017:OQKZL6EQWC6GMRBT25BE2FKA2D

not attested not anchored not stored refs pending

Product Function Need Recognition via Semi-supervised Attention Network

Hu Xu, Lei Shu, Philip S. Yu, Sihong Xie

arxiv:1712.02186 v1 · 2017-12-06 · 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{OQKZL6EQWC6GMRBT25BE2FKA2D}

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	2026-05-18T00:28:38.904108Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

741595f890b0bc664433d7424d1540d0e555076132454fbf06270deca170003c

Aliases

arxiv: 1712.02186 · arxiv_version: 1712.02186v1 · doi: 10.48550/arxiv.1712.02186 · pith_short_12: OQKZL6EQWC6G · pith_short_16: OQKZL6EQWC6GMRBT · pith_short_8: OQKZL6EQ

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/OQKZL6EQWC6GMRBT25BE2FKA2D \
  | 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: 741595f890b0bc664433d7424d1540d0e555076132454fbf06270deca170003c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca3c9cbc35ba2d0c54577c363597d418cbe74994277711f9c959ecd40f1d0770",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2017-12-06T13:48:57Z",
    "title_canon_sha256": "534bede21cfaaff272408b9e0c4f7bfad82e72fa9075f0cef8ae55325e3a5ed6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.02186",
    "kind": "arxiv",
    "version": 1
  }
}