Pith Number

pith:ZLR2YMVE

pith:2021:ZLR2YMVEMGHIGOMAK2WISDBYWR

not attested not anchored not stored refs pending

Assessing Reference-Free Peer Evaluation for Machine Translation

Colin Cherry, George Foster, Markus Freitag, Sweta Agrawal

arxiv:2104.05146 v1 · 2021-04-12 · 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{ZLR2YMVEMGHIGOMAK2WISDBYWR}

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	2026-07-05T02:31:08.794356Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cae3ac32a4618e83398056ac890c38b465f278f915860797eaa356a033394a74

Aliases

arxiv: 2104.05146 · arxiv_version: 2104.05146v1 · doi: 10.48550/arxiv.2104.05146 · pith_short_12: ZLR2YMVEMGHI · pith_short_16: ZLR2YMVEMGHIGOMA · pith_short_8: ZLR2YMVE

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/ZLR2YMVEMGHIGOMAK2WISDBYWR \
  | 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: cae3ac32a4618e83398056ac890c38b465f278f915860797eaa356a033394a74

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf2b2cb0def1cbe0537458a429e49e0765f90c201c9f6c63bfb7f3ab1ad5ac8e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-04-12T00:49:51Z",
    "title_canon_sha256": "90a49128de9b7cafdbc98042b73265b368693ab9cad57eee62bd95242c574e76"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.05146",
    "kind": "arxiv",
    "version": 1
  }
}