Pith Number

pith:K4NIVOSR

pith:2021:K4NIVOSRQRGIO2ML4RRDW4LXHS

not attested not anchored not stored refs pending

Sparsely Factored Neural Machine Translation

Jose A. R. Fonollosa, Marta R. Costa-juss\`a, Noe Casas

arxiv:2102.08934 v1 · 2021-02-17 · 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{K4NIVOSRQRGIO2ML4RRDW4LXHS}

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	2026-07-05T02:16:09.629015Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

571a8aba51844c87698be4623b71773cb8c928f25577496e181ee4e4696526a7

Aliases

arxiv: 2102.08934 · arxiv_version: 2102.08934v1 · doi: 10.48550/arxiv.2102.08934 · pith_short_12: K4NIVOSRQRGI · pith_short_16: K4NIVOSRQRGIO2ML · pith_short_8: K4NIVOSR

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/K4NIVOSRQRGIO2ML4RRDW4LXHS \
  | 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: 571a8aba51844c87698be4623b71773cb8c928f25577496e181ee4e4696526a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b6aec87c3403980dba3ff9fe4954f66037762f85f764bf73b0dc0a808313ad0",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-02-17T18:42:00Z",
    "title_canon_sha256": "55447af7703b1ab3584e8e0c4470e508be507ac235ec935ae7c8b32035765e79"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.08934",
    "kind": "arxiv",
    "version": 1
  }
}