Pith Number

pith:EM6EJE2D

pith:2012:EM6EJE2DXQCHGSMPY6U7LR7TJL

not attested not anchored not stored refs pending

Efficient Spectrum Sharing in the Presence of Multiple Narrowband Interference

Demosthenes Vouyioukas

arxiv:1211.4445 v1 · 2012-11-19 · cs.IT · cs.NI · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EM6EJE2DXQCHGSMPY6U7LR7TJL}

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	2026-05-18T03:40:26.882869Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

233c449343bc0473498fc7a9f5c7f34aec6c47f7163c2731020e5fec82b721cc

Aliases

arxiv: 1211.4445 · arxiv_version: 1211.4445v1 · doi: 10.48550/arxiv.1211.4445 · pith_short_12: EM6EJE2DXQCH · pith_short_16: EM6EJE2DXQCHGSMP · pith_short_8: EM6EJE2D

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/EM6EJE2DXQCHGSMPY6U7LR7TJL \
  | 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: 233c449343bc0473498fc7a9f5c7f34aec6c47f7163c2731020e5fec82b721cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f0a85845b0cac77a5beeeefacde51c7dae0025f60534d58b617fe317852dfd7",
    "cross_cats_sorted": [
      "cs.NI",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-11-19T14:45:47Z",
    "title_canon_sha256": "02204af8f07e4bc9fbae11e67dce892c4660d15fc3243c9ab8e9bdfbdf656b23"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.4445",
    "kind": "arxiv",
    "version": 1
  }
}