Pith Number

pith:BOMQXAEH

pith:2026:BOMQXAEHB3PWCWHLB3K2MGUHQS

not attested not anchored not stored refs pending

Is Human Annotation Necessary? Iterative MBR Distillation for Error Span Detection in Machine Translation

Boxuan Lyu, Haiyue Song, Zhi Qu

arxiv:2603.12983 v3 · 2026-03-13 · cs.CL · cs.AI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BOMQXAEHB3PWCWHLB3K2MGUHQS}

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	2026-05-26T02:04:08.646724Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b990b80870edf6158eb0ed5a61a8784964983ee8bd7897e2ad29ff5cac1f977

Aliases

arxiv: 2603.12983 · arxiv_version: 2603.12983v3 · doi: 10.48550/arxiv.2603.12983 · pith_short_12: BOMQXAEHB3PW · pith_short_16: BOMQXAEHB3PWCWHL · pith_short_8: BOMQXAEH

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/BOMQXAEHB3PWCWHLB3K2MGUHQS \
  | 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: 0b990b80870edf6158eb0ed5a61a8784964983ee8bd7897e2ad29ff5cac1f977

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "acf551370906f8a66a361c40139834c69d4a3bf9bca9ed288ed5d2ed74c38fc4",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-03-13T13:34:45Z",
    "title_canon_sha256": "84ef80ee8d4f561a863ce0d259d17f576540f7025c458cea9740de8b932c2c4b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.12983",
    "kind": "arxiv",
    "version": 3
  }
}