Pith Number

pith:RGKOGLAJ

pith:2016:RGKOGLAJ632H7GYWCITZAWCUAA

not attested not anchored not stored refs pending

The limits of SDP relaxations for general-valued CSPs

Johan Thapper, Stanislav Zivny

arxiv:1612.01147 v3 · 2016-12-04 · cs.CC · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RGKOGLAJ632H7GYWCITZAWCUAA}

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	2026-05-18T00:15:00.163984Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8994e32c09f6f47f9b161227905854003cccabef83376a271ea4b04173c3bcba

Aliases

arxiv: 1612.01147 · arxiv_version: 1612.01147v3 · doi: 10.48550/arxiv.1612.01147 · pith_short_12: RGKOGLAJ632H · pith_short_16: RGKOGLAJ632H7GYW · pith_short_8: RGKOGLAJ

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/RGKOGLAJ632H7GYWCITZAWCUAA \
  | 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: 8994e32c09f6f47f9b161227905854003cccabef83376a271ea4b04173c3bcba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1c13095238ce8caec11842b63c9f6ca6e3fee2fc364a6729074df3c60389b2b",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2016-12-04T17:23:42Z",
    "title_canon_sha256": "78b5c6eebe821f832d57163771cf36ba3938dc6732bf8af50b37439408c3fa86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.01147",
    "kind": "arxiv",
    "version": 3
  }
}