Pith Number

pith:44R66UUR

pith:2011:44R66UUR3KPFC7XUMHSFT42R5W

not attested not anchored not stored refs pending

Clustering Protein Sequences Given the Approximation Stability of the Min-Sum Objective Function

Heiko Roglin, Konstantin Voevodski, Maria-Florina Balcan, Shang-Hua Teng, Yu Xia

arxiv:1101.3620 v2 · 2011-01-19 · cs.DS · cs.CE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{44R66UUR3KPFC7XUMHSFT42R5W}

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	2026-05-18T02:22:51.473149Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e723ef5291da9e517ef461e459f351ed9b3446c602cdd02df1b82c716aee68dc

Aliases

arxiv: 1101.3620 · arxiv_version: 1101.3620v2 · doi: 10.48550/arxiv.1101.3620 · pith_short_12: 44R66UUR3KPF · pith_short_16: 44R66UUR3KPFC7XU · pith_short_8: 44R66UUR

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/44R66UUR3KPFC7XUMHSFT42R5W \
  | 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: e723ef5291da9e517ef461e459f351ed9b3446c602cdd02df1b82c716aee68dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39d340344c281593af9c5e1c295419d972164bd1b6f65f18c7b852e20a5cdf6e",
    "cross_cats_sorted": [
      "cs.CE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2011-01-19T05:29:24Z",
    "title_canon_sha256": "a38c04a66ec86d3c0edaa82b692702bcb5f084902c1d66c8b39069f18298a29b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.3620",
    "kind": "arxiv",
    "version": 2
  }
}