Pith Number

pith:5NM3SF2N

pith:2011:5NM3SF2NZGUXWAFYTSFQKEKMOT

not attested not anchored not stored refs pending

Complexity of Counting CSP with Complex Weights

Jin-Yi Cai, Xi Chen

arxiv:1111.2384 v1 · 2011-11-10 · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5NM3SF2NZGUXWAFYTSFQKEKMOT}

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	2026-05-18T02:21:34.796616Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb59b9174dc9a97b00b89c8b05114c74cf4562745b13d3f60b9500e33af6c1e4

Aliases

arxiv: 1111.2384 · arxiv_version: 1111.2384v1 · doi: 10.48550/arxiv.1111.2384 · pith_short_12: 5NM3SF2NZGUX · pith_short_16: 5NM3SF2NZGUXWAFY · pith_short_8: 5NM3SF2N

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/5NM3SF2NZGUXWAFYTSFQKEKMOT \
  | 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: eb59b9174dc9a97b00b89c8b05114c74cf4562745b13d3f60b9500e33af6c1e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71f2af9efc0865ff8d489e96885031e7f7655ec7b8f09190eb95c63e10e97f20",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2011-11-10T02:42:57Z",
    "title_canon_sha256": "9eb1488fcbaf8646a77debb7c7854d37e3012d6d72045777b53b74ab99ef688c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.2384",
    "kind": "arxiv",
    "version": 1
  }
}