Pith Number

pith:KW2OBWH6

pith:2013:KW2OBWH6DINA2UGG3HEH6HTY4M

not attested not anchored not stored refs pending

Approximating Minimization Diagrams and Generalized Proximity Search

Nirman Kumar, Sariel Har-Peled

arxiv:1304.0393 v2 · 2013-04-01 · 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{KW2OBWH6DINA2UGG3HEH6HTY4M}

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	2026-05-18T03:29:15.372166Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

55b4e0d8fe1a1a0d50c6d9c87f1e78e3036143c2fea3be87a51d9b0988540cb3

Aliases

arxiv: 1304.0393 · arxiv_version: 1304.0393v2 · doi: 10.48550/arxiv.1304.0393 · pith_short_12: KW2OBWH6DINA · pith_short_16: KW2OBWH6DINA2UGG · pith_short_8: KW2OBWH6

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/KW2OBWH6DINA2UGG3HEH6HTY4M \
  | 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: 55b4e0d8fe1a1a0d50c6d9c87f1e78e3036143c2fea3be87a51d9b0988540cb3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38e9d493fb18df2e4a22f85edd1dc14d4146a284a242410b44812e0368d15b05",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2013-04-01T16:54:56Z",
    "title_canon_sha256": "c7dd8b2565f3d63d66946ce4b9465e4f2613bbf6c19aa33bace386ca86d3b678"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.0393",
    "kind": "arxiv",
    "version": 2
  }
}