Pith Number

pith:XSOF42NA

pith:2019:XSOF42NAU4GXNZ5FDWLJJJ3MTH

not attested not anchored not stored refs pending

Estimating post-editing effort: a study on human judgements, task-based and reference-based metrics of MT quality

Carolina Scarton, Lucia Specia, Mikel L. Forcada, Miquel Espl\`a-Gomis

arxiv:1910.06204 v1 · 2019-10-14 · 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{XSOF42NAU4GXNZ5FDWLJJJ3MTH}

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	2026-07-05T00:11:45.135848Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc9c5e69a0a70d76e7a51d9694a76c99fa46c90cb3c4e4230c11dd06092b9a10

Aliases

arxiv: 1910.06204 · arxiv_version: 1910.06204v1 · doi: 10.48550/arxiv.1910.06204 · pith_short_12: XSOF42NAU4GX · pith_short_16: XSOF42NAU4GXNZ5F · pith_short_8: XSOF42NA

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/XSOF42NAU4GXNZ5FDWLJJJ3MTH \
  | 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: bc9c5e69a0a70d76e7a51d9694a76c99fa46c90cb3c4e4230c11dd06092b9a10

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b39bedf2f1c2ff00f9d3e4123c9293a894006f2db3bfaf2878a7bf2c370a3c3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-10-14T15:20:30Z",
    "title_canon_sha256": "a13108d31e314e60bfe377ef8a55733bd1996fa8bbb9372d4c1ddc759c3ba05d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.06204",
    "kind": "arxiv",
    "version": 1
  }
}