Pith Number

pith:OB7PAM7R

pith:2026:OB7PAM7RMQXWJ4LZXRLRUYO7Q4

not attested not anchored not stored refs pending

Block Sensitivity can exceed Spectral Sensitivity Squared

Alexander Meiburg

arxiv:2608.00851 v1 · 2026-08-01 · cs.CC · 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{OB7PAM7RMQXWJ4LZXRLRUYO7Q4}

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	2026-08-04T01:55:15.724702Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

707ef033f1642f64f179bc571a61df8725211715cb3d448c48cc9685680628d1

Aliases

arxiv: 2608.00851 · arxiv_version: 2608.00851v1 · doi: 10.48550/arxiv.2608.00851 · pith_short_12: OB7PAM7RMQXW · pith_short_16: OB7PAM7RMQXWJ4LZ · pith_short_8: OB7PAM7R

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/OB7PAM7RMQXWJ4LZXRLRUYO7Q4 \
  | 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: 707ef033f1642f64f179bc571a61df8725211715cb3d448c48cc9685680628d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "151200f2387957f0dba5ae445c05900559673007aec1d3fa49aa1bdb6e9bb450",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2026-08-01T20:15:23Z",
    "title_canon_sha256": "3bd15005b3394c093d15140fb81804808b2710abe85417633b5b01d19244a6ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.00851",
    "kind": "arxiv",
    "version": 1
  }
}