Pith Number

pith:6S75XBY6

pith:2020:6S75XBY6RLBP5XJEGF26W7CWAK

not attested not anchored not stored refs pending

Recognizing Long Grammatical Sequences Using Recurrent Networks Augmented With An External Differentiable Stack

Alexander Ororbia, Ankur Mali, Clyde Lee Giles, Daniel Kifer

arxiv:2004.07623 v2 · 2020-04-04 · cs.CL · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6S75XBY6RLBP5XJEGF26W7CWAK}

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	2026-07-05T00:57:26.422467Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f4bfdb871e8ac2fedd243175eb7c5602ae635f19b379eacc1fbd7fe03966fccb

Aliases

arxiv: 2004.07623 · arxiv_version: 2004.07623v2 · doi: 10.48550/arxiv.2004.07623 · pith_short_12: 6S75XBY6RLBP · pith_short_16: 6S75XBY6RLBP5XJE · pith_short_8: 6S75XBY6

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/6S75XBY6RLBP5XJEGF26W7CWAK \
  | 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: f4bfdb871e8ac2fedd243175eb7c5602ae635f19b379eacc1fbd7fe03966fccb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d2242148cf5df4a377d46d16370ef0b8982fd6342a012ad9886ca88659a6f56",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2020-04-04T14:19:15Z",
    "title_canon_sha256": "7fa0395657cbfa9381d97cab2ef19e351f9402f51ab43a9c6d70b3e87ed89641"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.07623",
    "kind": "arxiv",
    "version": 2
  }
}