Pith Number

pith:K7RVIPTM

pith:2012:K7RVIPTMP5WXMK4U5UUPRJT7O3

not attested not anchored not stored refs pending

Minimum weight spanning trees of weighted scale free networks

O. Melchert

arxiv:1209.4493 v1 · 2012-09-20 · cs.DS · physics.comp-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K7RVIPTMP5WXMK4U5UUPRJT7O3}

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	2026-05-18T03:45:11.538773Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57e3543e6c7f6d762b94ed28f8a67f76d5348d0630a4330627e851edc4b2ad08

Aliases

arxiv: 1209.4493 · arxiv_version: 1209.4493v1 · doi: 10.48550/arxiv.1209.4493 · pith_short_12: K7RVIPTMP5WX · pith_short_16: K7RVIPTMP5WXMK4U · pith_short_8: K7RVIPTM

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/K7RVIPTMP5WXMK4U5UUPRJT7O3 \
  | 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: 57e3543e6c7f6d762b94ed28f8a67f76d5348d0630a4330627e851edc4b2ad08

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "951bbf3a9a15351d1e96b049737dd3fd58a191e1f87f8f9318f6b7c86d7050d4",
    "cross_cats_sorted": [
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2012-09-20T11:09:13Z",
    "title_canon_sha256": "b890f86bc580d6ad6f5ab203c5380fe09bcb69531aa8759b80e87ee6d5ad2c05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.4493",
    "kind": "arxiv",
    "version": 1
  }
}