pith. sign in
Pith Number

pith:UIX7WL5W

pith:2008:UIX7WL5WIF5S4SBGW355VLXHQI
not attested not anchored not stored refs pending

On the Expressive Power of Multiple Heads in CHR

Cinzia Di Giusto, Maria Chiara Meo, Maurizio Gabbrielli

arxiv:0804.3351 v6 · 2008-04-21 · cs.LO · cs.DC

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{UIX7WL5WIF5S4SBGW355VLXHQI}

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 2026-05-18T04:31:30.051727Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

a22ffb2fb6417b2e4826b6fbdaaee7823b39a5ff1bf211e25976b7461d647fa3

Aliases

arxiv: 0804.3351 · arxiv_version: 0804.3351v6 · doi: 10.48550/arxiv.0804.3351 · pith_short_12: UIX7WL5WIF5S · pith_short_16: UIX7WL5WIF5S4SBG · pith_short_8: UIX7WL5W
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/UIX7WL5WIF5S4SBGW355VLXHQI \
  | 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: a22ffb2fb6417b2e4826b6fbdaaee7823b39a5ff1bf211e25976b7461d647fa3
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "4fb55eb46122d7bae006aff38b320f675d04ec8fb1c6f3c65d1fe3a977c4d190",
    "cross_cats_sorted": [
      "cs.DC"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2008-04-21T16:21:43Z",
    "title_canon_sha256": "5521f2b55dce7c4322c2a196d4b8d36918e1ac6fa26df0f7fe2fd48d64af5a98"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0804.3351",
    "kind": "arxiv",
    "version": 6
  }
}