Pith Number

pith:UPKGSVL6

pith:2018:UPKGSVL6C6XYKFTWVVY2LRVNV7

not attested not anchored not stored refs pending

Finite-Length Construction of High Performance Spatially-Coupled Codes via Optimized Partitioning and Lifting

Ahmed Hareedy, Homa Esfahanizadeh, Lara Dolecek

arxiv:1802.06481 v1 · 2018-02-19 · 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{UPKGSVL6C6XYKFTWVVY2LRVNV7}

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	2026-05-18T00:23:03.158374Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3d469557e17af851676ad71a5c6adaff636823ee857cc0b4d6a5d606becb3f6

Aliases

arxiv: 1802.06481 · arxiv_version: 1802.06481v1 · doi: 10.48550/arxiv.1802.06481 · pith_short_12: UPKGSVL6C6XY · pith_short_16: UPKGSVL6C6XYKFTW · pith_short_8: UPKGSVL6

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/UPKGSVL6C6XYKFTWVVY2LRVNV7 \
  | 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: a3d469557e17af851676ad71a5c6adaff636823ee857cc0b4d6a5d606becb3f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf4196cf82ae82497d18118206808c0e57f2a0b93449b8a9091e09fbbfcc7224",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-02-19T01:30:33Z",
    "title_canon_sha256": "304c69278a938ca068f52f563178affa72319326bcf8e37c3eb82a487fc37636"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.06481",
    "kind": "arxiv",
    "version": 1
  }
}