Pith Number

pith:UT4L3TEQ

pith:2018:UT4L3TEQPOXU27B3KMIUCS3N4O

not attested not anchored not stored refs pending

Onion Curve: A Space Filling Curve with Near-Optimal Clustering

Cuong Nguyen, Pan Xu, Srikanta Tirthapura

arxiv:1801.07399 v2 · 2018-01-23 · cs.CG · cs.DC · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UT4L3TEQPOXU27B3KMIUCS3N4O}

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	2026-05-18T00:14:21.912460Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4f8bdcc907baf4d7c3b5311414b6de38749a176b586765ea4e675bd36e29e90

Aliases

arxiv: 1801.07399 · arxiv_version: 1801.07399v2 · doi: 10.48550/arxiv.1801.07399 · pith_short_12: UT4L3TEQPOXU · pith_short_16: UT4L3TEQPOXU27B3 · pith_short_8: UT4L3TEQ

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/UT4L3TEQPOXU27B3KMIUCS3N4O \
  | 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: a4f8bdcc907baf4d7c3b5311414b6de38749a176b586765ea4e675bd36e29e90

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d46fabdeec797e8e3e8feaad21927e008df517100a5cd4045109c1eac3a5e69",
    "cross_cats_sorted": [
      "cs.DC",
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2018-01-23T05:35:00Z",
    "title_canon_sha256": "e6535fe6738a3963356f4f5496416c1688a1af963650bb1b6fdbd4a7a13a39ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.07399",
    "kind": "arxiv",
    "version": 2
  }
}