Pith Number

pith:BP6EB4FR

pith:2004:BP6EB4FR4GJWPBL222FTITA3T2

not attested not anchored not stored refs pending

From spin glasses to hard satisfiable formulas

Bart Selman, Cristopher Moore, Haixia Jia

arxiv:cond-mat/0408190 v2 · 2004-08-09 · cond-mat.stat-mech · cond-mat.dis-nn · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BP6EB4FR4GJWPBL222FTITA3T2}

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	2026-05-18T03:42:54.270554Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0bfc40f0b1e19367857ad68b344c1b9ebdd6767615d4769e35bce1665f2eea94

Aliases

arxiv: cond-mat/0408190 · arxiv_version: cond-mat/0408190v2 · doi: 10.48550/arxiv.cond-mat/0408190 · pith_short_12: BP6EB4FR4GJW · pith_short_16: BP6EB4FR4GJWPBL2 · pith_short_8: BP6EB4FR

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/BP6EB4FR4GJWPBL222FTITA3T2 \
  | 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: 0bfc40f0b1e19367857ad68b344c1b9ebdd6767615d4769e35bce1665f2eea94

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14cf435740efc53ed353e6af96ee8d28ccb6188d733c7507fa65e5384f0c0cf4",
    "cross_cats_sorted": [
      "cond-mat.dis-nn",
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2004-08-09T21:54:07Z",
    "title_canon_sha256": "8c5a4964594f5620f908fc9d233161dc178fc02d23cf89df7df228213c82c784"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0408190",
    "kind": "arxiv",
    "version": 2
  }
}