Pith Number

pith:Q7LOGHUC

pith:2021:Q7LOGHUCWDFKYLCB6DYQJOTQZP

not attested not anchored not stored refs pending

Static Inference Meets Deep Learning: A Hybrid Type Inference Approach for Python

Bowei Gao, Cuiyun Gao, David Lo, Michael Lyu, Qirun Zhang, Yun Peng, Zongjie Li

arxiv:2105.03595 v2 · 2021-05-08 · cs.SE · cs.PL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q7LOGHUCWDFKYLCB6DYQJOTQZP}

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	2026-07-05T03:55:26.995715Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87d6e31e82b0caac2c41f0f104ba70cbc909ae7376de2d3f30e0c388a0ba80d3

Aliases

arxiv: 2105.03595 · arxiv_version: 2105.03595v2 · doi: 10.48550/arxiv.2105.03595 · pith_short_12: Q7LOGHUCWDFK · pith_short_16: Q7LOGHUCWDFKYLCB · pith_short_8: Q7LOGHUC

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/Q7LOGHUCWDFKYLCB6DYQJOTQZP \
  | 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: 87d6e31e82b0caac2c41f0f104ba70cbc909ae7376de2d3f30e0c388a0ba80d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f95ecc786e1f983a3139e9aa8c0cf250dba7bccf9f9001ac3e9d2622eed1995c",
    "cross_cats_sorted": [
      "cs.PL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2021-05-08T05:00:52Z",
    "title_canon_sha256": "df16527d19c7e58e7c252723041778530ef9c57bbc21f74a96168107db564ceb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.03595",
    "kind": "arxiv",
    "version": 2
  }
}