Pith Number

pith:2YVNGWHV

pith:2018:2YVNGWHVOUMNOO4XHAWXFDEQVL

not attested not anchored not stored refs pending

How many weights can a cyclic code have ?

Alessandro Neri, Minjia Shi, Patrick Sol\'e, Xiaoxiao Li

arxiv:1807.08418 v2 · 2018-07-23 · 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	2026-05-18T00:00:39.383654Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d62ad358f57518d73b97382d728c90aac9577906cd3658e215925abc384c3d13

Aliases

arxiv: 1807.08418 · arxiv_version: 1807.08418v2 · doi: 10.48550/arxiv.1807.08418 · pith_short_12: 2YVNGWHVOUMN · pith_short_16: 2YVNGWHVOUMNOO4X · pith_short_8: 2YVNGWHV

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/2YVNGWHVOUMNOO4XHAWXFDEQVL \
  | 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: d62ad358f57518d73b97382d728c90aac9577906cd3658e215925abc384c3d13

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9853c87305918beb7a998dfbb057419a48a5421a3fb461da73457dfc41e4038",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-07-23T03:21:06Z",
    "title_canon_sha256": "6be6f70260a898750a05b2b60c102ac12ff7fc5f68c51ee6dc05ba734e55d359"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.08418",
    "kind": "arxiv",
    "version": 2
  }
}