Pith Number

pith:QKPMBCH2

pith:2022:QKPMBCH2N4CFEACDBVRSG4KQ2Y

not attested not anchored not stored refs pending

AstBERT: Enabling Language Model for Financial Code Understanding with Abstract Syntax Trees

Rong Liang, Tiehua Zhang, Xin Chen, Yujie Lu, Yuze Liu, Zhen Huang

arxiv:2201.07984 v4 · 2022-01-20 · cs.AI · 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{QKPMBCH2N4CFEACDBVRSG4KQ2Y}

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	2026-07-05T05:05:02.672669Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

829ec088fa6f045200430d63237150d62d5d5ce0076d7f15b060180a9792eac9

Aliases

arxiv: 2201.07984 · arxiv_version: 2201.07984v4 · doi: 10.48550/arxiv.2201.07984 · pith_short_12: QKPMBCH2N4CF · pith_short_16: QKPMBCH2N4CFEACD · pith_short_8: QKPMBCH2

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/QKPMBCH2N4CFEACDBVRSG4KQ2Y \
  | 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: 829ec088fa6f045200430d63237150d62d5d5ce0076d7f15b060180a9792eac9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3a6c2fd9e713f313c8ee83ba3239d8a6dc7278351be734cd11d4c41d16b6ab3",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2022-01-20T03:27:26Z",
    "title_canon_sha256": "e0cc7233fc5c9b10a7b80c37c57a0cd515ecf2bde039a8841e5bba055295d852"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.07984",
    "kind": "arxiv",
    "version": 4
  }
}