Pith Number

pith:CBQDVQG5

pith:2018:CBQDVQG5UN3PT4QQIUXVRTPIA7

not attested not anchored not stored refs pending

Synthesis of Insertion Functions to Enforce Decentralized and Joint Opacity Properties of Discrete-event Systems

Bo Wu, Hai Lin, Jin Dai

arxiv:1802.05728 v1 · 2018-02-15 · cs.CR

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	2026-05-18T00:23:11.231079Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

10603ac0dda376f9f210452f58cde807c55ee64472e4b1dba21b7d6f7144bc08

Aliases

arxiv: 1802.05728 · arxiv_version: 1802.05728v1 · doi: 10.48550/arxiv.1802.05728 · pith_short_12: CBQDVQG5UN3P · pith_short_16: CBQDVQG5UN3PT4QQ · pith_short_8: CBQDVQG5

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/CBQDVQG5UN3PT4QQIUXVRTPIA7 \
  | 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: 10603ac0dda376f9f210452f58cde807c55ee64472e4b1dba21b7d6f7144bc08

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90ed9fb4ec0738f3da70d0b50f9fcd952c4be155f162407c9544ca9db3851518",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2018-02-15T19:30:12Z",
    "title_canon_sha256": "f2bf912a7fe12ee4d92e134e0a27c018789d63ae06674513325401988c10362e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.05728",
    "kind": "arxiv",
    "version": 1
  }
}