Pith Number

pith:EK3XD5OK

pith:2016:EK3XD5OKB4U33OECJR5RGJTX6T

not attested not anchored not stored refs pending

RETURNN: The RWTH Extensible Training framework for Universal Recurrent Neural Networks

Albert Zeyer, Hermann Ney, Ilya Kulikov, Patrick Doetsch, Paul Voigtlaender, Ralf Schl\"uter

arxiv:1608.00895 v2 · 2016-08-02 · cs.LG · cs.CL · cs.NE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EK3XD5OKB4U33OECJR5RGJTX6T}

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	2026-05-18T00:53:07.797914Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

22b771f5ca0f29bdb8824c7b132677f4de1dec8cd39e943ac5e640cb298c6c48

Aliases

arxiv: 1608.00895 · arxiv_version: 1608.00895v2 · doi: 10.48550/arxiv.1608.00895 · pith_short_12: EK3XD5OKB4U3 · pith_short_16: EK3XD5OKB4U33OEC · pith_short_8: EK3XD5OK

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/EK3XD5OKB4U33OECJR5RGJTX6T \
  | 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: 22b771f5ca0f29bdb8824c7b132677f4de1dec8cd39e943ac5e640cb298c6c48

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b9a7bf96c1e04b4ce2bda14335d8895f236ed2b988824ab3c658685ff455cb3",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.NE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2016-08-02T16:43:27Z",
    "title_canon_sha256": "a9f45c145920d1b8264064ecce60ee641446ea5fb086fdd648cfa075b1684f36"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.00895",
    "kind": "arxiv",
    "version": 2
  }
}