Pith Number

pith:6B7BLP4X

pith:2013:6B7BLP4XNC2LHQ2C5NJUEOSBMC

not attested not anchored not stored refs pending

Labeled Packing of Non Star Tree into its Fifth Power and Sixth Power

Amine El Sahili, Hamamache Kheddouci, Maidoun Mortada

arxiv:1302.4219 v1 · 2013-02-18 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6B7BLP4XNC2LHQ2C5NJUEOSBMC}

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	2026-05-18T03:33:23.682674Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f07e15bf9768b4b3c342eb53423a416096be42e2521df904a393283017d447a3

Aliases

arxiv: 1302.4219 · arxiv_version: 1302.4219v1 · doi: 10.48550/arxiv.1302.4219 · pith_short_12: 6B7BLP4XNC2L · pith_short_16: 6B7BLP4XNC2LHQ2C · pith_short_8: 6B7BLP4X

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/6B7BLP4XNC2LHQ2C5NJUEOSBMC \
  | 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: f07e15bf9768b4b3c342eb53423a416096be42e2521df904a393283017d447a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9445ccc9caddfcfd755c61a58f103b341768c9cf421b180c66c9d5e4b45fcd38",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-02-18T10:48:27Z",
    "title_canon_sha256": "56c3949522d6759e00d6731a395e85e4bcc78ed5c116b6e1b65bd77f7cde2b66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.4219",
    "kind": "arxiv",
    "version": 1
  }
}