Pith Number

pith:NZ2FUI4Y

pith:2012:NZ2FUI4YKU3DSXMOXAYDW7NJMC

not attested not anchored not stored refs pending

Note on the bondage number of graphs on topological surfaces

Vladimir Samodivkin

arxiv:1208.6203 v1 · 2012-08-30 · 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{NZ2FUI4YKU3DSXMOXAYDW7NJMC}

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	2026-05-18T03:46:46.200257Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e745a23985536395d8eb8303b7da960bf070056b398a9c6dcd9bc38a7caa6b0

Aliases

arxiv: 1208.6203 · arxiv_version: 1208.6203v1 · doi: 10.48550/arxiv.1208.6203 · pith_short_12: NZ2FUI4YKU3D · pith_short_16: NZ2FUI4YKU3DSXMO · pith_short_8: NZ2FUI4Y

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/NZ2FUI4YKU3DSXMOXAYDW7NJMC \
  | 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: 6e745a23985536395d8eb8303b7da960bf070056b398a9c6dcd9bc38a7caa6b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a744feac9d3fc33f6de045a9907f15144926114a8d6ba525772c6db7505129cc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2012-08-30T15:24:29Z",
    "title_canon_sha256": "e4927adf1aeace9bf856d74ddb40e1301875bf51b5e1a6bdb4f04504d6379828"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.6203",
    "kind": "arxiv",
    "version": 1
  }
}