Pith Number

pith:ITTQ7K4D

pith:2016:ITTQ7K4DH33U55SRPG5ZLUPRD3

not attested not anchored not stored refs pending

On self-dual double negacirculant codes

Adel Alahmadi, Hatoon Shohaib, Patrick Sol\'e

arxiv:1606.00815 v1 · 2016-06-02 · 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	2026-05-18T01:13:00.515919Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44e70fab833ef74ef65179bb95d1f11ed97ba587e8d4496efd6b78e942f349b1

Aliases

arxiv: 1606.00815 · arxiv_version: 1606.00815v1 · doi: 10.48550/arxiv.1606.00815 · pith_short_12: ITTQ7K4DH33U · pith_short_16: ITTQ7K4DH33U55SR · pith_short_8: ITTQ7K4D

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/ITTQ7K4DH33U55SRPG5ZLUPRD3 \
  | 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: 44e70fab833ef74ef65179bb95d1f11ed97ba587e8d4496efd6b78e942f349b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "193d90d00c84b7470e15f2dba096b25c330e89bcb83f4d3da9c50f1ece1f3098",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2016-06-02T19:26:54Z",
    "title_canon_sha256": "00e4ab8625c2a15a4e3ebf5c1af06f96ee80e146aefd8c0900ca686e576cfb54"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.00815",
    "kind": "arxiv",
    "version": 1
  }
}