Pith Number

pith:2WJURUAZ

pith:2017:2WJURUAZ4ZSMUUKIMRRNLPZ7Q7

not attested not anchored not stored refs pending

A Unified Ensemble of Concatenated Convolutional Codes

Alexandre Graell i Amat, Michael Lentmaier, Saeedeh Moloudi

arxiv:1703.08784 v1 · 2017-03-26 · 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{2WJURUAZ4ZSMUUKIMRRNLPZ7Q7}

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	2026-05-18T00:47:55.575606Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d59348d019e664ca51486462d5bf3f87d1a8611994c79a19fb9f2e2af6681457

Aliases

arxiv: 1703.08784 · arxiv_version: 1703.08784v1 · doi: 10.48550/arxiv.1703.08784 · pith_short_12: 2WJURUAZ4ZSM · pith_short_16: 2WJURUAZ4ZSMUUKI · pith_short_8: 2WJURUAZ

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/2WJURUAZ4ZSMUUKIMRRNLPZ7Q7 \
  | 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: d59348d019e664ca51486462d5bf3f87d1a8611994c79a19fb9f2e2af6681457

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd103fcb2a2833b85ce00548db4fd88c47c670e852a41747f2058659e0872e78",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-03-26T08:30:34Z",
    "title_canon_sha256": "d729e2dde13b7c75e06c20acf0c97a9dd95c564dd1bf0387caaa7959632a3c1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.08784",
    "kind": "arxiv",
    "version": 1
  }
}