Pith Number

pith:YWJVIP7P

pith:2015:YWJVIP7PSJGHO4OTJSDXC23LHV

not attested not anchored not stored refs pending

Improve the Evaluation of Fluency Using Entropy for Machine Translation Evaluation Metrics

Hui Yu, Qun Liu, ShouXun Lin, Wenbin Jiang, Xiaofeng Wu

arxiv:1508.02225 v2 · 2015-08-10 · 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{YWJVIP7PSJGHO4OTJSDXC23LHV}

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	2026-05-18T01:00:12.759464Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c593543fef924c7771d34c87716b6b3d45aaeb6966fdea32fabda09ff42c7584

Aliases

arxiv: 1508.02225 · arxiv_version: 1508.02225v2 · doi: 10.48550/arxiv.1508.02225 · pith_short_12: YWJVIP7PSJGH · pith_short_16: YWJVIP7PSJGHO4OT · pith_short_8: YWJVIP7P

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/YWJVIP7PSJGHO4OTJSDXC23LHV \
  | 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: c593543fef924c7771d34c87716b6b3d45aaeb6966fdea32fabda09ff42c7584

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b39e09863b06d84a208cd5708ae90aef62dcd022b3646796a8131fb5c9151286",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2015-08-10T12:46:52Z",
    "title_canon_sha256": "5512259dac78305a26eeb3983e43a0e1de59d66b320b7fcec8ac7d8d4fd5b468"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.02225",
    "kind": "arxiv",
    "version": 2
  }
}