Pith Number

pith:NA7BA4NS

pith:2025:NA7BA4NSPEFQBEGJSHOSOUT73C

not attested not anchored not stored refs pending

Reference-free Evaluation Metrics for Text Generation: A Survey

Jun Suzuki, Kees van Deemter, Takumi Ito

arxiv:2501.12011 v1 · 2025-01-21 · 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{NA7BA4NSPEFQBEGJSHOSOUT73C}

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	2026-07-05T10:03:30.440044Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

683e1071b2790b0090c991dd27527fd897ec97b9cea06bd9ed6b70d8d3dd333b

Aliases

arxiv: 2501.12011 · arxiv_version: 2501.12011v1 · doi: 10.48550/arxiv.2501.12011 · pith_short_12: NA7BA4NSPEFQ · pith_short_16: NA7BA4NSPEFQBEGJ · pith_short_8: NA7BA4NS

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/NA7BA4NSPEFQBEGJSHOSOUT73C \
  | 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: 683e1071b2790b0090c991dd27527fd897ec97b9cea06bd9ed6b70d8d3dd333b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf8d6719a373a87e3e5bb4aecbd940bf84c31c69b4772f0d0f0371865a7deaab",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-01-21T10:05:48Z",
    "title_canon_sha256": "24d4e3901402c89b26d7b1f154f2894100d645040e002a47cf06d23b01485b78"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.12011",
    "kind": "arxiv",
    "version": 1
  }
}