Pith Number

pith:HBW6NCBK

pith:2011:HBW6NCBKTLZKFIEIXRX2CTHRJA

not attested not anchored not stored refs pending

Multiple Access Demodulation in the Lifted Signal Graph with Spatial Coupling

Christian Schlegel, Dmitri Truhachev

arxiv:1107.4797 v1 · 2011-07-24 · cs.IT · 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{HBW6NCBKTLZKFIEIXRX2CTHRJA}

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	2026-05-18T02:21:42.670646Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

386de6882a9af2a2a088bc6fa14cf1480b3e0eb9ebac984b15a0309329e872eb

Aliases

arxiv: 1107.4797 · arxiv_version: 1107.4797v1 · doi: 10.48550/arxiv.1107.4797 · pith_short_12: HBW6NCBKTLZK · pith_short_16: HBW6NCBKTLZKFIEI · pith_short_8: HBW6NCBK

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/HBW6NCBKTLZKFIEIXRX2CTHRJA \
  | 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: 386de6882a9af2a2a088bc6fa14cf1480b3e0eb9ebac984b15a0309329e872eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe5ffc95ec005898c4058f8ea3f426d679fc72bb7095b954d8b0a5185b13d3be",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2011-07-24T20:39:32Z",
    "title_canon_sha256": "b6ac4f2545f2066dd04ab1bf5b356e97f1d0a98796e9ee5eaeb33ac580988e13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.4797",
    "kind": "arxiv",
    "version": 1
  }
}