Pith Number

pith:74Q6O7QK

pith:2015:74Q6O7QK6CTJYNF3432PRJGTTV

not attested not anchored not stored refs pending

Sherali-Adams relaxations for valued CSPs

Johan Thapper, Stanislav Zivny

arxiv:1502.05301 v1 · 2015-02-18 · 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{74Q6O7QK6CTJYNF3432PRJGTTV}

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	2026-05-18T01:26:18.632156Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff21e77e0af0a69c34bbe6f4f8a4d39d4cdf7d153f50c341013bc0b267efb007

Aliases

arxiv: 1502.05301 · arxiv_version: 1502.05301v1 · doi: 10.48550/arxiv.1502.05301 · pith_short_12: 74Q6O7QK6CTJ · pith_short_16: 74Q6O7QK6CTJYNF3 · pith_short_8: 74Q6O7QK

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/74Q6O7QK6CTJYNF3432PRJGTTV \
  | 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: ff21e77e0af0a69c34bbe6f4f8a4d39d4cdf7d153f50c341013bc0b267efb007

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb15c4595122f831fd1bdf139a5fc788a37c8c9503441a82ac25d8c41d2feb67",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2015-02-18T17:02:42Z",
    "title_canon_sha256": "10131a2d2aff9606777095db79d707be0e47ce4e85770138872ee1d70572d21c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.05301",
    "kind": "arxiv",
    "version": 1
  }
}