Pith Number

pith:PP6ZROKO

pith:2016:PP6ZROKOFHFOGYVVEGOKGLXVOF

not attested not anchored not stored refs pending

Uncertainty Principle for Measurable Sets and Signal Recovery in Quaternion Domains

Cuiming Zou, Kit Ian Kou, Yan Yang

arxiv:1608.05543 v2 · 2016-08-19 · 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	2026-05-18T00:39:02.328818Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7bfd98b94e29cae362b5219ca32ef5717bdcbb186ba59f9253640398bdaf3f98

Aliases

arxiv: 1608.05543 · arxiv_version: 1608.05543v2 · doi: 10.48550/arxiv.1608.05543 · pith_short_12: PP6ZROKOFHFO · pith_short_16: PP6ZROKOFHFOGYVV · pith_short_8: PP6ZROKO

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/PP6ZROKOFHFOGYVVEGOKGLXVOF \
  | 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: 7bfd98b94e29cae362b5219ca32ef5717bdcbb186ba59f9253640398bdaf3f98

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c4f1e4b13b6e8bac4e52a0e5247e0d68d5c87a3e5728ed1386cc892ae6422ac",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2016-08-19T09:23:24Z",
    "title_canon_sha256": "9356b952d5c3b8597bec912c2a879fe08524e1b38e28d49d3114ff56a99aba06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.05543",
    "kind": "arxiv",
    "version": 2
  }
}