Pith Number

pith:MYESMZL3

pith:2013:MYESMZL3APJFYL5FXMXGNPMS6O

not attested not anchored not stored refs pending

Unions of Onions: Preprocessing Imprecise Points for Fast Onion Decomposition

Maarten L\"offler, Wolfgang Mulzer

arxiv:1302.5328 v2 · 2013-02-21 · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MYESMZL3APJFYL5FXMXGNPMS6O}

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	2026-05-18T00:52:53.630618Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

660926657b03d25c2fa5bb2e66bd92f3a81084f101b7b8ef2f8572b1e128b1d7

Aliases

arxiv: 1302.5328 · arxiv_version: 1302.5328v2 · doi: 10.48550/arxiv.1302.5328 · pith_short_12: MYESMZL3APJF · pith_short_16: MYESMZL3APJFYL5F · pith_short_8: MYESMZL3

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/MYESMZL3APJFYL5FXMXGNPMS6O \
  | 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: 660926657b03d25c2fa5bb2e66bd92f3a81084f101b7b8ef2f8572b1e128b1d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f7870000a91a8a3f536a75ef98c79cec4f987ba8590deaed79091ce75d8d713",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2013-02-21T16:30:15Z",
    "title_canon_sha256": "7b92c811227e5e0bb790c15509c8aec907e9f9c5cb1a5edc622a3dbd27fd836f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.5328",
    "kind": "arxiv",
    "version": 2
  }
}