Pith Number

pith:F4ODVO6T

pith:2024:F4ODVO6TDVRR5ZXG6NEB5W2CNT

not attested not anchored not stored refs pending

Iterative Gradient Descent Decoding for Real Number LDPC Codes

Alexandru Amaricai, Oana Boncalo

arxiv:2411.16203 v1 · 2024-11-25 · 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{F4ODVO6TDVRR5ZXG6NEB5W2CNT}

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	2026-07-05T09:40:05.789201Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f1c3abbd31d631ee6e6f3481edb426cf27a7758f5b76b57fafdc55bb4fb0b2c

Aliases

arxiv: 2411.16203 · arxiv_version: 2411.16203v1 · doi: 10.48550/arxiv.2411.16203 · pith_short_12: F4ODVO6TDVRR · pith_short_16: F4ODVO6TDVRR5ZXG · pith_short_8: F4ODVO6T

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/F4ODVO6TDVRR5ZXG6NEB5W2CNT \
  | 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: 2f1c3abbd31d631ee6e6f3481edb426cf27a7758f5b76b57fafdc55bb4fb0b2c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "def41c6f9c8e5f1a629d9b10532a6ade2a3ee13cc9dfaddf50ea12c1f9d9ce90",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2024-11-25T09:02:45Z",
    "title_canon_sha256": "4cfba7acaeb2659627680ba37fe705e5c5e68fc1cd0c614299aa660e0706b682"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2411.16203",
    "kind": "arxiv",
    "version": 1
  }
}