Pith Number

pith:AWFIVQ4S

pith:2026:AWFIVQ4SWK53MNRZTZQEDGUX4Q

not attested not anchored not stored refs pending

Resolving the Schwartz Quadratic Meander Number Conjecture

Charles Daly, Diaaeldin Taha

arxiv:2606.12331 v1 · 2026-06-10 · math.CO · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AWFIVQ4SWK53MNRZTZQEDGUX4Q}

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	2026-06-11T01:11:02.196257Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

058a8ac392b2bbb636399e60419a97e41e706091a4dad4294a82de16c1499da7

Aliases

arxiv: 2606.12331 · arxiv_version: 2606.12331v1 · doi: 10.48550/arxiv.2606.12331 · pith_short_12: AWFIVQ4SWK53 · pith_short_16: AWFIVQ4SWK53MNRZ · pith_short_8: AWFIVQ4S

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/AWFIVQ4SWK53MNRZTZQEDGUX4Q \
  | 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: 058a8ac392b2bbb636399e60419a97e41e706091a4dad4294a82de16c1499da7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "705cd6d946e4dcf6d6058e31a0de6fb5b3d1b62a61ce07db7374187718590d5d",
    "cross_cats_sorted": [
      "math.GT"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2026-06-10T17:04:32Z",
    "title_canon_sha256": "e679244d7ee9d2747cfae33bc16a825c3e13d2a9e17b40bbe3047231f5ab3353"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.12331",
    "kind": "arxiv",
    "version": 1
  }
}