Pith Number

pith:4IBL7QL4

pith:2013:4IBL7QL45VHINDSSAJTQBBCOTY

not attested not anchored not stored refs pending

HEVAL: Yet Another Human Evaluation Metric

Ajai Kumar, Hemant Darbari, Iti Mathur, Nisheeth Joshi

arxiv:1311.3961 v1 · 2013-11-15 · 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{4IBL7QL45VHINDSSAJTQBBCOTY}

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	2026-05-18T03:07:02.655694Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e202bfc17ced4e868e52026700844e9e1559df3bd66946acd1606dfcaa691230

Aliases

arxiv: 1311.3961 · arxiv_version: 1311.3961v1 · doi: 10.48550/arxiv.1311.3961 · pith_short_12: 4IBL7QL45VHI · pith_short_16: 4IBL7QL45VHINDSS · pith_short_8: 4IBL7QL4

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/4IBL7QL45VHINDSSAJTQBBCOTY \
  | 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: e202bfc17ced4e868e52026700844e9e1559df3bd66946acd1606dfcaa691230

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee1a6b4f40e3bee316624b45061a9642bd7614e0e98ccc6f16c3e6cb1e2359cb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2013-11-15T19:45:25Z",
    "title_canon_sha256": "f8c10f2b6c9a0e41a4e944d98d1c29589f92e8e7d6725778a6e3464c2881e62a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.3961",
    "kind": "arxiv",
    "version": 1
  }
}