Pith Number

pith:L6YYMOKC

pith:2015:L6YYMOKC2BXEEAI56MGSNZTPCN

not attested not anchored not stored refs pending

The $k$-Leaf Spanning Tree Problem Admits a Klam Value of 39

Meirav Zehavi

arxiv:1502.07725 v2 · 2015-02-26 · 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{L6YYMOKC2BXEEAI56MGSNZTPCN}

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	2026-05-18T02:16:20.141814Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5fb1863942d06e42011df30d26e66f134fe5e0f1e8b6bc6938a709bd00bbcef5

Aliases

arxiv: 1502.07725 · arxiv_version: 1502.07725v2 · doi: 10.48550/arxiv.1502.07725 · pith_short_12: L6YYMOKC2BXE · pith_short_16: L6YYMOKC2BXEEAI5 · pith_short_8: L6YYMOKC

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/L6YYMOKC2BXEEAI56MGSNZTPCN \
  | 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: 5fb1863942d06e42011df30d26e66f134fe5e0f1e8b6bc6938a709bd00bbcef5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0bd656ff3eb03cdd554d43d3a9820dbfd5d7100ead117fd56ede413fe2201ba0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2015-02-26T20:41:16Z",
    "title_canon_sha256": "a1b484f110572e909b295e3f676e1fb7f95a0d54918d37ff50065a960ca7ac8d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.07725",
    "kind": "arxiv",
    "version": 2
  }
}