Pith Number

pith:LBTLZMFY

pith:2017:LBTLZMFYORAOBGJT4UWYOB6C47

not attested not anchored not stored refs pending

On self-dual four circulant codes

Hongwei Zhu, Minjia Shi, Patrick Sole

arxiv:1709.07548 v1 · 2017-09-22 · 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	2026-05-18T00:34:32.883404Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5866bcb0b87440e09933e52d8707c2e7ced282e26dd74875b02ebe2ffdd41d56

Aliases

arxiv: 1709.07548 · arxiv_version: 1709.07548v1 · doi: 10.48550/arxiv.1709.07548 · pith_short_12: LBTLZMFYORAO · pith_short_16: LBTLZMFYORAOBGJT · pith_short_8: LBTLZMFY

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/LBTLZMFYORAOBGJT4UWYOB6C47 \
  | 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: 5866bcb0b87440e09933e52d8707c2e7ced282e26dd74875b02ebe2ffdd41d56

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b9753294fa2fd55d3712e6894ce0515002830298d585094cdf7e58be0bc0304",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-09-22T00:39:02Z",
    "title_canon_sha256": "4c1780a2c1318208b3b152cd5172cbdf0796346d6c4455dd0eb45ca9ec29b254"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.07548",
    "kind": "arxiv",
    "version": 1
  }
}