Pith Number

pith:SQV7AQ56

pith:2011:SQV7AQ56P3AH65W4W6ITHZWLK4

not attested not anchored not stored refs pending

Visibility-preserving convexifications using single-vertex moves

Bernardo M. Abrego, Gelasio Salazar, Jesus Leanos, Mario Cetina

arxiv:1105.3435 v1 · 2011-05-17 · cs.CG · cs.RO · 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{SQV7AQ56P3AH65W4W6ITHZWLK4}

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	2026-05-18T04:22:00.047112Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

942bf043be7ec07f76dcb79133e6cb57092406e946d4d45dc4e52bac820dbed0

Aliases

arxiv: 1105.3435 · arxiv_version: 1105.3435v1 · doi: 10.48550/arxiv.1105.3435 · pith_short_12: SQV7AQ56P3AH · pith_short_16: SQV7AQ56P3AH65W4 · pith_short_8: SQV7AQ56

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/SQV7AQ56P3AH65W4W6ITHZWLK4 \
  | 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: 942bf043be7ec07f76dcb79133e6cb57092406e946d4d45dc4e52bac820dbed0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5afa9a4cd7f9180ba6c001763b879a14a0c2b9d5ba5a47656dfe31998bf69109",
    "cross_cats_sorted": [
      "cs.RO",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2011-05-17T17:16:12Z",
    "title_canon_sha256": "393cf4f4b437ca9d9698aa2b72c86a183311d96b424da22ceb4cf6c34783a3da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.3435",
    "kind": "arxiv",
    "version": 1
  }
}