Pith Number

pith:4YU2LWQD

pith:2022:4YU2LWQDI53WLQZGTBF44LWCY6

not attested not anchored not stored refs pending

A Neural-Symbolic Approach to Natural Language Understanding

Hang Li, Yuan Lin, Zhixuan Liu, Zihao Wang

arxiv:2203.10557 v2 · 2022-03-20 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4YU2LWQDI53WLQZGTBF44LWCY6}

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	2026-07-05T05:08:51.389719Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e629a5da03477765c326984bce2ec2c7859b0175a0752bec64acbd429f3ba655

Aliases

arxiv: 2203.10557 · arxiv_version: 2203.10557v2 · doi: 10.48550/arxiv.2203.10557 · pith_short_12: 4YU2LWQDI53W · pith_short_16: 4YU2LWQDI53WLQZG · pith_short_8: 4YU2LWQD

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/4YU2LWQDI53WLQZGTBF44LWCY6 \
  | 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: e629a5da03477765c326984bce2ec2c7859b0175a0752bec64acbd429f3ba655

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "213dca2c36b1cab6074e6efb689368763de7ff171b94e282a48ce203c3e76749",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2022-03-20T14:12:44Z",
    "title_canon_sha256": "25a209e2da553c47d9e4c016bfd1cf53b38a98d568979ee242f5811dade89eac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.10557",
    "kind": "arxiv",
    "version": 2
  }
}