Pith Number

pith:3SWDU6NL

pith:2017:3SWDU6NLMWHHRIZKLOCRNZT2WW

not attested not anchored not stored refs pending

SpreadCluster: Recovering Versioned Spreadsheets through Similarity-Based Clustering

Chushu Gao, Hua Zhong, Jie Wang, Jun Wei, Liang Xu, Tao Huang, Wensheng Dou

arxiv:1704.08476 v1 · 2017-04-27 · 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{3SWDU6NLMWHHRIZKLOCRNZT2WW}

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	2026-05-18T00:45:27.594256Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dcac3a79ab658e78a32a5b8516e67ab5a6d09bb2c13b8523f4c72f844427db49

Aliases

arxiv: 1704.08476 · arxiv_version: 1704.08476v1 · doi: 10.48550/arxiv.1704.08476 · pith_short_12: 3SWDU6NLMWHH · pith_short_16: 3SWDU6NLMWHHRIZK · pith_short_8: 3SWDU6NL

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/3SWDU6NLMWHHRIZKLOCRNZT2WW \
  | 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: dcac3a79ab658e78a32a5b8516e67ab5a6d09bb2c13b8523f4c72f844427db49

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c50891e120ef6084aa2a15bcbb02a052ad631aad2645ebcf5c2989e490a2c2f4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2017-04-27T08:37:44Z",
    "title_canon_sha256": "86af1d8d4c0df5827855fac30906dc8b120adccc50cfef53084e062b5158c4b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.08476",
    "kind": "arxiv",
    "version": 1
  }
}