Pith Number

pith:4BIK3AFK

pith:2007:4BIK3AFKOMC6JBW2YN6IOZ5NL5

not attested not anchored not stored refs pending

Joint Design and Separation Principle for Opportunistic Spectrum Access in the Presence of Sensing Errors

Ananthram Swami, Qing Zhao, Yunxia Chen

arxiv:cs/0702158 v1 · 2007-02-27 · cs.NI

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	2026-05-18T00:58:26.510311Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e050ad80aa7305e486dac37c8767ad5f758cd66deb7da9cf66d372b7fcbfa0d5

Aliases

arxiv: cs/0702158 · arxiv_version: cs/0702158v1 · doi: 10.48550/arxiv.cs/0702158 · pith_short_12: 4BIK3AFKOMC6 · pith_short_16: 4BIK3AFKOMC6JBW2 · pith_short_8: 4BIK3AFK

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/4BIK3AFKOMC6JBW2YN6IOZ5NL5 \
  | 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: e050ad80aa7305e486dac37c8767ad5f758cd66deb7da9cf66d372b7fcbfa0d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4319e5fc2e03488be0219b173e84603802aa5ba913f2ee1057374534857a6987",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cs.NI",
    "submitted_at": "2007-02-27T19:59:36Z",
    "title_canon_sha256": "1e7b123e5cdac8a84f6439e07b4d0990907fe1f412adb328888947a1bb010ea9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0702158",
    "kind": "arxiv",
    "version": 1
  }
}