Pith Number

pith:UKR22DX4

pith:2016:UKR22DX4CTXP43TC2SQ3UQKACY

not attested not anchored not stored refs pending

On self-dual double circulant codes

Adel Alahmadi, Funda \"Ozdemir, Patrick Sol\'e

arxiv:1603.00762 v1 · 2016-03-02 · cs.IT · math.IT

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	2026-05-18T01:19:43.019678Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2a3ad0efc14eefe6e62d4a1ba41401601d11a5cf83ddbbf6accbd52d3fa4ca5

Aliases

arxiv: 1603.00762 · arxiv_version: 1603.00762v1 · doi: 10.48550/arxiv.1603.00762 · pith_short_12: UKR22DX4CTXP · pith_short_16: UKR22DX4CTXP43TC · pith_short_8: UKR22DX4

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/UKR22DX4CTXP43TC2SQ3UQKACY \
  | 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: a2a3ad0efc14eefe6e62d4a1ba41401601d11a5cf83ddbbf6accbd52d3fa4ca5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84fc50c41ae3beeb905c3b28de924357d86635d148d455aa0ed583757643ac7a",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2016-03-02T15:50:41Z",
    "title_canon_sha256": "38c1db9c34bd6d8bd1736f2cc628ee212c71995be7d39b0cd06b2b072db406f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.00762",
    "kind": "arxiv",
    "version": 1
  }
}