Pith Number

pith:4OPHD2OZ

pith:2013:4OPHD2OZEO3JABXEN3KCKZOGGW

not attested not anchored not stored refs pending

Exploiting Self-Interference Suppression for Improved Spectrum Awareness/Efficiency in Cognitive Radio Systems

Marwan Krunz, Wessam Afifi

arxiv:1305.6003 v1 · 2013-05-26 · cs.NI · cs.IT · math.IT · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4OPHD2OZEO3JABXEN3KCKZOGGW}

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	2026-05-18T03:24:53.158100Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e39e71e9d923b69006e46ed42565c635ac0ffb0271495487cf2d9ce3eb71b6e0

Aliases

arxiv: 1305.6003 · arxiv_version: 1305.6003v1 · doi: 10.48550/arxiv.1305.6003 · pith_short_12: 4OPHD2OZEO3J · pith_short_16: 4OPHD2OZEO3JABXE · pith_short_8: 4OPHD2OZ

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/4OPHD2OZEO3JABXEN3KCKZOGGW \
  | 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: e39e71e9d923b69006e46ed42565c635ac0ffb0271495487cf2d9ce3eb71b6e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5647ac2e2963d096c5a6ab669cbd93cb991ac6aed6f1f7ce63878d33f51e9d2b",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2013-05-26T08:32:30Z",
    "title_canon_sha256": "e4a25cb9e21a95e6263185694acfe49d8e41244b4cc47e003aa2fb25005a9129"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.6003",
    "kind": "arxiv",
    "version": 1
  }
}