Pith Number

pith:AUIATSLN

pith:2026:AUIATSLNI2GX7MHBRZRKHEIF4Z

not attested not anchored not stored refs pending

CayleyR: Solving the TopSpin puzzle via cycle intersection

Yuri Baramykov

arxiv:2607.13219 v1 · 2026-07-14 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AUIATSLNI2GX7MHBRZRKHEIF4Z}

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	2026-07-16T00:22:03.463728Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

051009c96d468d7fb0e18e62a39105e64f2110394eb6f4a17be56f52742517e8

Aliases

arxiv: 2607.13219 · arxiv_version: 2607.13219v1 · doi: 10.48550/arxiv.2607.13219 · pith_short_12: AUIATSLNI2GX · pith_short_16: AUIATSLNI2GX7MHB · pith_short_8: AUIATSLN

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/AUIATSLNI2GX7MHBRZRKHEIF4Z \
  | 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: 051009c96d468d7fb0e18e62a39105e64f2110394eb6f4a17be56f52742517e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "485e1b2396425337bf770d44154275077cd42252c459e05acd61507f8025f02e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-07-14T19:28:41Z",
    "title_canon_sha256": "72248174936d4bd8513ff50bec0511aa4ed205cc59672f17861d229055336528"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.13219",
    "kind": "arxiv",
    "version": 1
  }
}