Pith Number

pith:3OX5YYP2

pith:2010:3OX5YYP2H3VLRJTJKPF6EP72OZ

not attested not anchored not stored refs pending

Independent Sets from an Algebraic Perspective

Alicia Dickenstein, Enrique A. Tobis

arxiv:1003.3508 v2 · 2010-03-18 · math.AC · cs.CC · 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{3OX5YYP2H3VLRJTJKPF6EP72OZ}

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	2026-05-18T04:23:11.746474Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dbafdc61fa3eeab8a66953cbe23ffa76497221ef24418180df33ee6c4365e6f3

Aliases

arxiv: 1003.3508 · arxiv_version: 1003.3508v2 · doi: 10.48550/arxiv.1003.3508 · pith_short_12: 3OX5YYP2H3VL · pith_short_16: 3OX5YYP2H3VLRJTJ · pith_short_8: 3OX5YYP2

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/3OX5YYP2H3VLRJTJKPF6EP72OZ \
  | 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: dbafdc61fa3eeab8a66953cbe23ffa76497221ef24418180df33ee6c4365e6f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b129f9dce84618235ba2f22812714a832a327f978f387c7d8f061fe09a3b9abf",
    "cross_cats_sorted": [
      "cs.CC",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2010-03-18T04:17:16Z",
    "title_canon_sha256": "af953390f080460a6ea31e489b5b10f1914ab5aade81c64e4c61cf9638212398"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.3508",
    "kind": "arxiv",
    "version": 2
  }
}