Pith Number

pith:DPIAJK4R

pith:2025:DPIAJK4RYRAXVTDINMHZ6AI7GZ

not attested not anchored not stored refs pending

Detecting Essence Code Clones via Information Theoretic Analysis

Chengwei Liu, Jiahui Wu, Jun Sun, Lida Zhao, Lyuye Zhang, Shihan Dou, Xuanjing Huang, Yang Liu, Yi Liu, Yueming Wu, Yutao Hu

arxiv:2502.19219 v1 · 2025-02-26 · 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{DPIAJK4RYRAXVTDINMHZ6AI7GZ}

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	2026-07-05T10:20:28.721896Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1bd004ab91c4417acc686b0f9f011f3642fd2c54fba4cfba336ebd57995c4426

Aliases

arxiv: 2502.19219 · arxiv_version: 2502.19219v1 · doi: 10.48550/arxiv.2502.19219 · pith_short_12: DPIAJK4RYRAX · pith_short_16: DPIAJK4RYRAXVTDI · pith_short_8: DPIAJK4R

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/DPIAJK4RYRAXVTDINMHZ6AI7GZ \
  | 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: 1bd004ab91c4417acc686b0f9f011f3642fd2c54fba4cfba336ebd57995c4426

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8324b848d0cc7e8a9be9ac5e80d4402337a8eea62b984855b3877ecd7ebd0be9",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2025-02-26T15:23:40Z",
    "title_canon_sha256": "1c7ba6a46133e4f80a87ec6fd5ae68dde9973029ab88b5fdf6b9757bbc5361b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.19219",
    "kind": "arxiv",
    "version": 1
  }
}