Pith Number

pith:ZE5NCXYN

pith:2012:ZE5NCXYNHCYA3AAT5GJRMMOSYC

not attested not anchored not stored refs pending

Cyclic codes over $M_2(\F_2)$

Adel Alahmadi, Houda Sboui, Olfa Yemen, Patrick Sol\'e

arxiv:1201.6533 v1 · 2012-01-31 · cs.IT · math.IT · math.RA

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

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	2026-05-18T04:03:31.254350Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c93ad15f0d38b00d8013e9931631d2c0afb19e1bcd3864304134f3c7ba5ea345

Aliases

arxiv: 1201.6533 · arxiv_version: 1201.6533v1 · doi: 10.48550/arxiv.1201.6533 · pith_short_12: ZE5NCXYNHCYA · pith_short_16: ZE5NCXYNHCYA3AAT · pith_short_8: ZE5NCXYN

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/ZE5NCXYNHCYA3AAT5GJRMMOSYC \
  | 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: c93ad15f0d38b00d8013e9931631d2c0afb19e1bcd3864304134f3c7ba5ea345

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "62b28398d693e8e37d78b775b6fa3e663865e39196d0eb0e27dd42eb97f953e0",
    "cross_cats_sorted": [
      "math.IT",
      "math.RA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-01-31T13:18:15Z",
    "title_canon_sha256": "ddffbd1dad975f16fd5a73013a7005e3920a4638bfa7b23e2a1085e24c5970ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.6533",
    "kind": "arxiv",
    "version": 1
  }
}