Pith Number

pith:K2FQFJLZ

pith:2025:K2FQFJLZXOGP7HLVRGDG6MXISM

not attested not anchored not stored refs pending

Racetrack computing with a topological boundary ratchet

Marc Serra-Garcia, Markus Bestler, Oded Zilberberg, Parisa Omidvar, Sima Zahedi Fard

arxiv:2509.01706 v1 · 2025-09-01 · cond-mat.mes-hall · cs.ET

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K2FQFJLZXOGP7HLVRGDG6MXISM}

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	2026-07-05T12:03:06.390382Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

568b02a579bb8cff9d7589866f32e8932dd14235f6ecd3253061153d576e6940

Aliases

arxiv: 2509.01706 · arxiv_version: 2509.01706v1 · doi: 10.48550/arxiv.2509.01706 · pith_short_12: K2FQFJLZXOGP · pith_short_16: K2FQFJLZXOGP7HLV · pith_short_8: K2FQFJLZ

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/K2FQFJLZXOGP7HLVRGDG6MXISM \
  | 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: 568b02a579bb8cff9d7589866f32e8932dd14235f6ecd3253061153d576e6940

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "250bbde8489b2307987f427b4ad6e20f15349d3f91789cccdc1c4e43a5c705f3",
    "cross_cats_sorted": [
      "cs.ET"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2025-09-01T18:27:12Z",
    "title_canon_sha256": "e93909ab516ea0c45aca6094d2ad8cce80217b301d75e8a44b45345b79a0dec4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.01706",
    "kind": "arxiv",
    "version": 1
  }
}