Pith Number

pith:6CMPWPYD

pith:2013:6CMPWPYD3LJSFUFW7OFL26SALY

not attested not anchored not stored refs pending

Spatial Coupling as a Proof Technique

Andrei Giurgiu, Nicolas Macris, R\"udiger Urbanke

arxiv:1301.5676 v3 · 2013-01-24 · cs.IT · math.IT

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Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

Receipt and verification

First computed	2026-05-18T01:34:45.851379Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f098fb3f03dad322d0b6fb8abd7a405e26345fff98dcdd88a1230a888bf2ed3b

Aliases

arxiv: 1301.5676 · arxiv_version: 1301.5676v3 · doi: 10.48550/arxiv.1301.5676

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/6CMPWPYD3LJSFUFW7OFL26SALY \
  | 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: f098fb3f03dad322d0b6fb8abd7a405e26345fff98dcdd88a1230a888bf2ed3b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75f25ee86992ddb7b38b149e815b5a81fb331f6f43632da1dcbc81715a14870b",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-01-24T00:00:16Z",
    "title_canon_sha256": "435894ea4ab383640c9263ab3a70ec1d1a6169101f26d4ef41db7f92c045d535"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.5676",
    "kind": "arxiv",
    "version": 3
  }
}