Pith Number

pith:JFZQLL6H

pith:2014:JFZQLL6H2ZELHW7DMLWTP44CRU

not attested not anchored not stored refs pending

Spatially-Coupled LDPC Codes for Decode-and-Forward Relaying of Two Correlated Sources over the BEC

Alexandre Graell i Amat, Gerald Matz, Stefan Schwandter

arxiv:1402.3520 v1 · 2014-02-14 · 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{JFZQLL6H2ZELHW7DMLWTP44CRU}

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	2026-05-18T02:58:58.528681Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

497305afc7d648b3dbe362ed37f3828d164ae99406409950b9c9a0d4253c2fca

Aliases

arxiv: 1402.3520 · arxiv_version: 1402.3520v1 · doi: 10.48550/arxiv.1402.3520 · pith_short_12: JFZQLL6H2ZEL · pith_short_16: JFZQLL6H2ZELHW7D · pith_short_8: JFZQLL6H

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/JFZQLL6H2ZELHW7DMLWTP44CRU \
  | 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: 497305afc7d648b3dbe362ed37f3828d164ae99406409950b9c9a0d4253c2fca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7fe82a4260b03c5a1593d3afc647f4386c5814052269c28b41bc2e30a7881b1",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-02-14T16:27:50Z",
    "title_canon_sha256": "ebc8dd30c848fe68348d2ae7d703ae754687c5dfc5ab01fd8ebf1292d584c172"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.3520",
    "kind": "arxiv",
    "version": 1
  }
}