Pith Number

pith:FUOUTK5T

pith:2026:FUOUTK5TTWAWSZ2YO6IZ4SGOJW

not attested not anchored not stored refs pending

Super-linear Lower Bounds for CSP Non-Redundancy via Shrinking Instances

Bart M. P. Jansen, Joshua Brakensiek, Magnus Wahlstr\"om, Venkatesan Guruswami, Victor Lagerkvist

arxiv:2605.19055 v1 · 2026-05-18 · cs.DM · cs.LO · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FUOUTK5TTWAWSZ2YO6IZ4SGOJW}

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	2026-05-20T01:05:25.129596Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d1d49abb39d8169675877919e48ce4db95707759fce7f18a697b4585c0d2666

Aliases

arxiv: 2605.19055 · arxiv_version: 2605.19055v1 · doi: 10.48550/arxiv.2605.19055 · pith_short_12: FUOUTK5TTWAW · pith_short_16: FUOUTK5TTWAWSZ2Y · pith_short_8: FUOUTK5T

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/FUOUTK5TTWAWSZ2YO6IZ4SGOJW \
  | 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: 2d1d49abb39d8169675877919e48ce4db95707759fce7f18a697b4585c0d2666

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63b82422fffd88a4f1851078192d5229d8e8b3dde0a7ef461d83efeb005ebdcf",
    "cross_cats_sorted": [
      "cs.LO",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2026-05-18T19:18:50Z",
    "title_canon_sha256": "e5a295fb08e1c521ecd86850ccf3d1c0f0c53653f2ef32ab2f7ace666568a0c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.19055",
    "kind": "arxiv",
    "version": 1
  }
}