Pith Number

pith:F7JR2PV7

pith:2018:F7JR2PV76JEQYATMUNO5VC6ZIO

not attested not anchored not stored refs pending

Robust Spoken Language Understanding via Paraphrasing

Avik Ray, Hongxia Jin, Yilin Shen

arxiv:1809.06444 v1 · 2018-09-17 · 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{F7JR2PV76JEQYATMUNO5VC6ZIO}

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	2026-05-18T00:05:27.198895Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2fd31d3ebff2490c026ca35dda8bd94380e1210cd176e569d664f77ece4dcd11

Aliases

arxiv: 1809.06444 · arxiv_version: 1809.06444v1 · doi: 10.48550/arxiv.1809.06444 · pith_short_12: F7JR2PV76JEQ · pith_short_16: F7JR2PV76JEQYATM · pith_short_8: F7JR2PV7

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/F7JR2PV76JEQYATMUNO5VC6ZIO \
  | 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: 2fd31d3ebff2490c026ca35dda8bd94380e1210cd176e569d664f77ece4dcd11

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "006048fcb8376570ead3045f5c82f842ff73a902e1a766c609f3a01a2a8d30cb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-09-17T21:01:35Z",
    "title_canon_sha256": "c63d67dd5d03f18b2d29592c1fa6838d338c03bf68ab90c723900bc57d724703"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.06444",
    "kind": "arxiv",
    "version": 1
  }
}