pith. sign in
Pith Number

pith:44XUVDHO

pith:2012:44XUVDHOZJDJI35YDTJXWTY7EO
not attested not anchored not stored refs pending

Secondary Access to Spectrum with SINR Requirements Through Constraint Transformation

Brage Ellings{\ae}ter

arxiv:1212.2094 v1 · 2012-12-10 · cs.NI · cs.IT · math.IT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{44XUVDHOZJDJI35YDTJXWTY7EO}

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 2026-05-18T03:38:47.046692Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

e72f4a8ceeca46946fb81cd37b4f1f23b3c2c58a5697d783f059dfc612f4547c

Aliases

arxiv: 1212.2094 · arxiv_version: 1212.2094v1 · doi: 10.48550/arxiv.1212.2094 · pith_short_12: 44XUVDHOZJDJ · pith_short_16: 44XUVDHOZJDJI35Y · pith_short_8: 44XUVDHO
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/44XUVDHOZJDJI35YDTJXWTY7EO \
  | 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: e72f4a8ceeca46946fb81cd37b4f1f23b3c2c58a5697d783f059dfc612f4547c
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "95b660255f7f7b9e8d4056698b3034cc3cd4f781ac5db2b94f2f03fe467440b3",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2012-12-10T15:24:33Z",
    "title_canon_sha256": "5f99c51081165743fe2def66296da3d67e26ed35e1a98173d7f60082203d045a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.2094",
    "kind": "arxiv",
    "version": 1
  }
}