Pith Number

pith:LEKS2WPV

pith:2012:LEKS2WPVBPMM6F2CMGYLGPZJZU

not attested not anchored not stored refs pending

Some Results On Point Visibility Graphs

Bodhayan Roy, Subir Kumar Ghosh

arxiv:1209.2308 v3 · 2012-09-11 · cs.CG · cs.DM · 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{LEKS2WPVBPMM6F2CMGYLGPZJZU}

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	2026-05-18T02:54:54.480604Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

59152d59f50bd8cf174261b0b33f29cd38a9550075bce59b390c315bb35ef20e

Aliases

arxiv: 1209.2308 · arxiv_version: 1209.2308v3 · doi: 10.48550/arxiv.1209.2308 · pith_short_12: LEKS2WPVBPMM · pith_short_16: LEKS2WPVBPMM6F2C · pith_short_8: LEKS2WPV

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/LEKS2WPVBPMM6F2CMGYLGPZJZU \
  | 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: 59152d59f50bd8cf174261b0b33f29cd38a9550075bce59b390c315bb35ef20e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0093060a1fb4de9deba3acd337f2d88f8dd69fc3d7ad8e42ead19dd87f1c54f5",
    "cross_cats_sorted": [
      "cs.DM",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2012-09-11T13:01:15Z",
    "title_canon_sha256": "6dfb979a815ce8932f7fc6a7ff5ae6f78539b2bae7d4937c25b8f1ad3259cb1f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.2308",
    "kind": "arxiv",
    "version": 3
  }
}