Pith Number

pith:RIJEMNRC

pith:2018:RIJEMNRCAIRWMDMS6RUDKJAXAX

not attested not anchored not stored refs pending

On the Kernel of $\mathbb{Z}_{2^s}$-Linear Hadamard Codes

Carlos Vela, Cristina Fern\'andez-C\'ordoba, Merc\`e Villanueva

arxiv:1801.05189 v1 · 2018-01-16 · cs.IT · 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{RIJEMNRCAIRWMDMS6RUDKJAXAX}

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	2026-05-18T00:25:47.605544Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a124636220223660d92f46835241705e5759a0b63718108fb124544e1cd7faa

Aliases

arxiv: 1801.05189 · arxiv_version: 1801.05189v1 · doi: 10.48550/arxiv.1801.05189 · pith_short_12: RIJEMNRCAIRW · pith_short_16: RIJEMNRCAIRWMDMS · pith_short_8: RIJEMNRC

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/RIJEMNRCAIRWMDMS6RUDKJAXAX \
  | 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: 8a124636220223660d92f46835241705e5759a0b63718108fb124544e1cd7faa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e697c9bcb42699f81ebc9d40d8783f79c9875a4548eb0a160ba194c6680cb181",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-01-16T10:08:52Z",
    "title_canon_sha256": "59b4f2a3f8136e96faf5e1cd18eb38d5d1afcadf7f21338140b2244188125aa3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.05189",
    "kind": "arxiv",
    "version": 1
  }
}