Pith Number

pith:BLMZDWUC

pith:2021:BLMZDWUCCCZFAWXWZHYOYFZT2Y

not attested not anchored not stored refs pending

Code Structure Guided Transformer for Source Code Summarization

Cuiyun Gao, Jichuan Zeng, Lun Yiu Nie, Michael R. Lyu, Shuzheng Gao, Xin Xia, Yulan He

arxiv:2104.09340 v2 · 2021-04-19 · 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{BLMZDWUCCCZFAWXWZHYOYFZT2Y}

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	2026-07-05T05:39:10.523042Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ad991da8210b2505af6c9f0ec1733d615033f7995f3b3418ae9f0da335128e0

Aliases

arxiv: 2104.09340 · arxiv_version: 2104.09340v2 · doi: 10.48550/arxiv.2104.09340 · pith_short_12: BLMZDWUCCCZF · pith_short_16: BLMZDWUCCCZFAWXW · pith_short_8: BLMZDWUC

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/BLMZDWUCCCZFAWXWZHYOYFZT2Y \
  | 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: 0ad991da8210b2505af6c9f0ec1733d615033f7995f3b3418ae9f0da335128e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "026a6983569679fee74d359ff01e4ab487200e70862b37da6c8082def99709e2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-04-19T14:26:56Z",
    "title_canon_sha256": "3ce607a6622feb9c9341cdc36cd109a30939418c78d5b7720292e2d256b2a4a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.09340",
    "kind": "arxiv",
    "version": 2
  }
}