Pith Number

pith:VQJABTXD

pith:2017:VQJABTXDTLK55EFPD3OKJXH6OW

not attested not anchored not stored refs pending

Trustworthy Refactoring via Decomposition and Schemes: A Complex Case Study

D\'aniel Horp\'acsi, Judit K\H{o}szegi, Zolt\'an Horv\'ath

arxiv:1708.07225 v1 · 2017-08-24 · 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{VQJABTXDTLK55EFPD3OKJXH6OW}

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	2026-05-18T00:36:46.873025Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac1200cee39ad5de90af1edca4dcfe759250815ca27fd2136f4d041b23ff83b1

Aliases

arxiv: 1708.07225 · arxiv_version: 1708.07225v1 · doi: 10.48550/arxiv.1708.07225 · pith_short_12: VQJABTXDTLK5 · pith_short_16: VQJABTXDTLK55EFP · pith_short_8: VQJABTXD

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/VQJABTXDTLK55EFPD3OKJXH6OW \
  | 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: ac1200cee39ad5de90af1edca4dcfe759250815ca27fd2136f4d041b23ff83b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6e14eca46a66ddf3d072fcc021ccd709898c9a1fc0fedb745a1f4b40cfb9a6d",
    "cross_cats_sorted": [
      "cs.PL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2017-08-24T00:19:52Z",
    "title_canon_sha256": "274e317ac8b6a6e9d43be98f74600c421aaf4aa569cf6164df69ef9e685f44a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.07225",
    "kind": "arxiv",
    "version": 1
  }
}