Pith Number

pith:AKTX5PYP

pith:2025:AKTX5PYP2H4H2FNHLG22FESWES

not attested not anchored not stored refs pending

Asymptotically optimal cyclic subspace codes

Chiara Castello, Paolo Santonastaso

arxiv:2507.09290 v1 · 2025-07-12 · cs.IT · math.CO · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AKTX5PYP2H4H2FNHLG22FESWES}

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	2026-07-05T11:36:06.832134Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

02a77ebf0fd1f87d15a759b5a29256249dac3312aa0b5e1c2f2939574f9d1c24

Aliases

arxiv: 2507.09290 · arxiv_version: 2507.09290v1 · doi: 10.48550/arxiv.2507.09290 · pith_short_12: AKTX5PYP2H4H · pith_short_16: AKTX5PYP2H4H2FNH · pith_short_8: AKTX5PYP

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/AKTX5PYP2H4H2FNHLG22FESWES \
  | 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: 02a77ebf0fd1f87d15a759b5a29256249dac3312aa0b5e1c2f2939574f9d1c24

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6bf47aaa021a9b0190c45a7cdfa6ab727d4941b1df33553ea9f3fe439649fbdd",
    "cross_cats_sorted": [
      "math.CO",
      "math.IT"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2025-07-12T14:00:11Z",
    "title_canon_sha256": "aa75bc96fdf6048b9dc985d89d6c90c3661a631ac52781ead73058a8ee72dc01"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.09290",
    "kind": "arxiv",
    "version": 1
  }
}