Pith Number

pith:JSYGJ5DC

pith:2012:JSYGJ5DCLVCX7U65OQCTEH2GMF

not attested not anchored not stored refs pending

The Power of Linear Programming for Valued CSPs

Johan Thapper, Stanislav Zivny

arxiv:1204.1079 v2 · 2012-04-04 · 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{JSYGJ5DCLVCX7U65OQCTEH2GMF}

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	2026-05-18T01:26:19.289231Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4cb064f4625d457fd3dd7405321f46617a8b358caf2b327ee84894a6b458ae57

Aliases

arxiv: 1204.1079 · arxiv_version: 1204.1079v2 · doi: 10.48550/arxiv.1204.1079 · pith_short_12: JSYGJ5DCLVCX · pith_short_16: JSYGJ5DCLVCX7U65 · pith_short_8: JSYGJ5DC

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/JSYGJ5DCLVCX7U65OQCTEH2GMF \
  | 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: 4cb064f4625d457fd3dd7405321f46617a8b358caf2b327ee84894a6b458ae57

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd73e09891d3507b59e1fcdf9869948edb34a640a12ad97054a519dc8625767c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2012-04-04T21:12:26Z",
    "title_canon_sha256": "4bf50436788dde50391169f6737b64c146b327079d101351c78ce0e807e0e70e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.1079",
    "kind": "arxiv",
    "version": 2
  }
}