Pith Number

pith:E3SBGPFI

pith:2021:E3SBGPFIIHEJS7NTMMWPTIGZCF

not attested not anchored not stored refs pending

Clone-based code method usage pattern mining

Rulin Xu, Yuanliang Zhang, Zhipeng Xue

arxiv:2109.13099 v4 · 2021-09-27 · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E3SBGPFIIHEJS7NTMMWPTIGZCF}

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	2026-07-05T04:35:09.335963Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26e4133ca841c8997db3632cf9a0d91176084667173b0655e4d6a093af6f5d0b

Aliases

arxiv: 2109.13099 · arxiv_version: 2109.13099v4 · doi: 10.48550/arxiv.2109.13099 · pith_short_12: E3SBGPFIIHEJ · pith_short_16: E3SBGPFIIHEJS7NT · pith_short_8: E3SBGPFI

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/E3SBGPFIIHEJS7NTMMWPTIGZCF \
  | 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: 26e4133ca841c8997db3632cf9a0d91176084667173b0655e4d6a093af6f5d0b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cddbbd62bded020a004ee3c7a0a93e0ecdd56da984e470474573017bba5dc041",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2021-09-27T14:50:38Z",
    "title_canon_sha256": "9a4bae9e74961270febf3400abada81fc851ff735ce8adda75d7d6eac0369281"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.13099",
    "kind": "arxiv",
    "version": 4
  }
}