Pith Number

pith:6ZPOKJSG

pith:2011:6ZPOKJSGZ7YUNESSWVO47Z54T2

not attested not anchored not stored refs pending

Contract-Based Cooperative Spectrum Sharing

Jianwei Huang, Lin Gao, Lingjie Duan

arxiv:1102.4176 v1 · 2011-02-21 · cs.NI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6ZPOKJSGZ7YUNESSWVO47Z54T2}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

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	2026-05-18T00:58:19.068283Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f65ee52646cff1469252b55dcfe7bc9eb6cccd3516c4dae4179d25b731bcbdd7

Aliases

arxiv: 1102.4176 · arxiv_version: 1102.4176v1 · doi: 10.48550/arxiv.1102.4176 · pith_short_12: 6ZPOKJSGZ7YU · pith_short_16: 6ZPOKJSGZ7YUNESS · pith_short_8: 6ZPOKJSG

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/6ZPOKJSGZ7YUNESSWVO47Z54T2 \
  | 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: f65ee52646cff1469252b55dcfe7bc9eb6cccd3516c4dae4179d25b731bcbdd7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd2033d58a7783c8d9cc132c13d699299c788d62d22e440028ffb745140b63a5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2011-02-21T10:10:00Z",
    "title_canon_sha256": "53a86e5bec6ba62c81e9097d7845a7d96ba60aa6145d11163eb7c236df528652"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.4176",
    "kind": "arxiv",
    "version": 1
  }
}