Pith Number

pith:4ROA2OZJ

pith:2021:4ROA2OZJE3C44KYTTEBQ3MUPU4

not attested not anchored not stored refs pending

Model-Based Machine Learning for Communications

Andrea J. Goldsmith, Nariman Farsad, Nir Shlezinger, Yonina C. Eldar

arxiv:2101.04726 v1 · 2021-01-12 · eess.SP · cs.AI · stat.ML

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4ROA2OZJE3C44KYTTEBQ3MUPU4}

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	2026-07-05T02:06:34.246979Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e45c0d3b2926c5ce2b1399030db28fa73417b39a1c79b6e4f916d24b6ab3f541

Aliases

arxiv: 2101.04726 · arxiv_version: 2101.04726v1 · doi: 10.48550/arxiv.2101.04726 · pith_short_12: 4ROA2OZJE3C4 · pith_short_16: 4ROA2OZJE3C44KYT · pith_short_8: 4ROA2OZJ

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/4ROA2OZJE3C44KYTTEBQ3MUPU4 \
  | 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: e45c0d3b2926c5ce2b1399030db28fa73417b39a1c79b6e4f916d24b6ab3f541

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce2bb040068baefa1ec2bf62b9e65ccf70bb6307743aad2f549a9a230ec15708",
    "cross_cats_sorted": [
      "cs.AI",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2021-01-12T19:55:34Z",
    "title_canon_sha256": "24c4ae9e424de6844ad7abc912f58d6cee486e4083563923914fa761dd080581"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.04726",
    "kind": "arxiv",
    "version": 1
  }
}