pith. sign in
Pith Number

pith:DWMIDBYZ

pith:2005:DWMIDBYZN6TOULJC6GFODHPPNR
not attested not anchored not stored refs pending

Toric surface codes and Minkowski sums

Hal Schenck, John Little

arxiv:math/0507598 v2 · 2005-07-28 · math.AG

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{DWMIDBYZN6TOULJC6GFODHPPNR}

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 2026-05-18T04:03:32.929905Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

1d988187196fa6ea2d22f18ae19def6c5c3308f3ffc698d8966bf3b514b155fe

Aliases

arxiv: math/0507598 · arxiv_version: math/0507598v2 · doi: 10.48550/arxiv.math/0507598 · pith_short_12: DWMIDBYZN6TO · pith_short_16: DWMIDBYZN6TOULJC · pith_short_8: DWMIDBYZ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/DWMIDBYZN6TOULJC6GFODHPPNR \
  | 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: 1d988187196fa6ea2d22f18ae19def6c5c3308f3ffc698d8966bf3b514b155fe
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "35f7f804849e3c9e8bd913f6aede4ef1aa1bd5a3c412c57b417316a9c8a831f8",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.AG",
    "submitted_at": "2005-07-28T20:16:06Z",
    "title_canon_sha256": "f95cb2d1701784e6a9d998e88df3b2fee68471595b4810edc880f8cc9f833d63"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0507598",
    "kind": "arxiv",
    "version": 2
  }
}