Pith Number

pith:WWSI5OSK

pith:2015:WWSI5OSKXMB75EPEESMX4SPADF

not attested not anchored not stored refs pending

Top-down Tree Long Short-Term Memory Networks

Liang Lu, Mirella Lapata, Xingxing Zhang

arxiv:1511.00060 v3 · 2015-10-31 · 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{WWSI5OSKXMB75EPEESMX4SPADF}

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	2026-05-18T01:17:52.303646Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5a48eba4abb03fe91e424997e49e01963df97645d0dccb924ef277ee54da314

Aliases

arxiv: 1511.00060 · arxiv_version: 1511.00060v3 · doi: 10.48550/arxiv.1511.00060 · pith_short_12: WWSI5OSKXMB7 · pith_short_16: WWSI5OSKXMB75EPE · pith_short_8: WWSI5OSK

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/WWSI5OSKXMB75EPEESMX4SPADF \
  | 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: b5a48eba4abb03fe91e424997e49e01963df97645d0dccb924ef277ee54da314

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "109a07ddbd5dd6767cb5b96573bdeb861d9c2987b6db1d8cc726e541931f2a75",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2015-10-31T02:05:28Z",
    "title_canon_sha256": "1fabf515db6142ebf966cbdfa8dd711aca74eccfa93a90185eb77071791f81ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.00060",
    "kind": "arxiv",
    "version": 3
  }
}