Pith Number

pith:QXRPWM7R

pith:2015:QXRPWM7RTH6NBJGG2NL2EV37LM

not attested not anchored not stored refs pending

The Complexity of General-Valued CSPs

Andrei Krokhin, Michal Rolinek, Vladimir Kolmogorov

arxiv:1502.07327 v5 · 2015-02-25 · cs.CC · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QXRPWM7RTH6NBJGG2NL2EV37LM}

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	2026-05-18T00:50:57.889160Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85e2fb33f199fcd0a4c6d357a2577f5b26b234f67cb884dae136da4812e3afc4

Aliases

arxiv: 1502.07327 · arxiv_version: 1502.07327v5 · doi: 10.48550/arxiv.1502.07327 · pith_short_12: QXRPWM7RTH6N · pith_short_16: QXRPWM7RTH6NBJGG · pith_short_8: QXRPWM7R

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/QXRPWM7RTH6NBJGG2NL2EV37LM \
  | 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: 85e2fb33f199fcd0a4c6d357a2577f5b26b234f67cb884dae136da4812e3afc4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2cdade3f6862f730abbb594d3f1ae6e78c50ec966bcf6ee1fc8d76fd3e509bb",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2015-02-25T20:26:26Z",
    "title_canon_sha256": "8adb699562ed6227a89705a1e5ea88eadb05a959c469b5d6388ef37ac42e7f5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.07327",
    "kind": "arxiv",
    "version": 5
  }
}