Pith Number

pith:TVZCGBM4

pith:2010:TVZCGBM4VMYSXBEQYBDUHRBUNA

not attested not anchored not stored refs pending

Exponential Time Complexity of Weighted Counting of Independent Sets

Christian Hoffmann

arxiv:1007.1146 v2 · 2010-07-07 · cs.CC · cond-mat.stat-mech

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TVZCGBM4VMYSXBEQYBDUHRBUNA}

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	2026-05-18T02:06:31.524838Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d7223059cab312b8490c04743c4346800571d761029745915a0ff8c8ee89969

Aliases

arxiv: 1007.1146 · arxiv_version: 1007.1146v2 · doi: 10.48550/arxiv.1007.1146 · pith_short_12: TVZCGBM4VMYS · pith_short_16: TVZCGBM4VMYSXBEQ · pith_short_8: TVZCGBM4

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/TVZCGBM4VMYSXBEQYBDUHRBUNA \
  | 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: 9d7223059cab312b8490c04743c4346800571d761029745915a0ff8c8ee89969

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0153ffc186e1d3ece69206b981f6bf6f647d9406036eb17adc85503b6378906",
    "cross_cats_sorted": [
      "cond-mat.stat-mech"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2010-07-07T14:31:32Z",
    "title_canon_sha256": "7fe57fc67ab192d093b6a55d21610652b2445065407257b70ccbbd1004ab123a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.1146",
    "kind": "arxiv",
    "version": 2
  }
}