Pith Number

pith:6QYHTMQZ

pith:2026:6QYHTMQZX6SQGT33T3ONXOWZPQ

not attested not anchored not stored refs pending

Search-space Reduction for Boolean MinCSPs via Essential Constraints

Bart M. P. Jansen, Ruben F. A. Verhaegh

arxiv:2606.00770 v1 · 2026-05-30 · cs.CC · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6QYHTMQZX6SQGT33T3ONXOWZPQ}

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	2026-06-02T01:04:05.286044Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f43079b219bfa5034f7b9edcdbbad97c137148967c06ae9593774fff39aad27d

Aliases

arxiv: 2606.00770 · arxiv_version: 2606.00770v1 · doi: 10.48550/arxiv.2606.00770 · pith_short_12: 6QYHTMQZX6SQ · pith_short_16: 6QYHTMQZX6SQGT33 · pith_short_8: 6QYHTMQZ

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/6QYHTMQZX6SQGT33T3ONXOWZPQ \
  | 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: f43079b219bfa5034f7b9edcdbbad97c137148967c06ae9593774fff39aad27d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e466220de6da2d1f4d869f26c3c0c6be20fd1e2cb6067d94252357823688d332",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2026-05-30T15:21:37Z",
    "title_canon_sha256": "50c857370fec03aaf294d266c119cdfff07e4d71b9d31cfeb59e95f82860d678"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.00770",
    "kind": "arxiv",
    "version": 1
  }
}