Pith Number

pith:LBCO3BD3

pith:2020:LBCO3BD3VITKMEMAFAXVGZPHED

not attested not anchored not stored refs pending

A Formal Hierarchy of RNN Architectures

Eran Yahav, Gail Weiss, Noah A. Smith, Roy Schwartz, William Merrill, Yoav Goldberg

arxiv:2004.08500 v4 · 2020-04-18 · cs.CL · cs.FL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LBCO3BD3VITKMEMAFAXVGZPHED}

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	2026-07-05T01:36:30.020074Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5844ed847baa26a61180282f5365e720ca661e91c38ec509765f2bc73198070d

Aliases

arxiv: 2004.08500 · arxiv_version: 2004.08500v4 · doi: 10.48550/arxiv.2004.08500 · pith_short_12: LBCO3BD3VITK · pith_short_16: LBCO3BD3VITKMEMA · pith_short_8: LBCO3BD3

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/LBCO3BD3VITKMEMAFAXVGZPHED \
  | 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: 5844ed847baa26a61180282f5365e720ca661e91c38ec509765f2bc73198070d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22beeedbbcc7aa5df4cb5a4b9415ab83b4dfc4ca24b06b3e6465dcb14023e4a5",
    "cross_cats_sorted": [
      "cs.FL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2020-04-18T00:57:54Z",
    "title_canon_sha256": "a15f0a0bb807426bfd558f59c65837e51932594d4248743ae9757974c0fcf632"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.08500",
    "kind": "arxiv",
    "version": 4
  }
}