Pith Number

pith:L4WYOOSU

pith:2025:L4WYOOSU4C7EY3CCNTTLQD5ZZT

not attested not anchored not stored refs pending

SPID-Chain: A Smart Contract-Enabled, Polar-Coded Interoperable DAG Chain

Amirhossein Taherpour, Xiaodong Wang

arxiv:2501.11794 v1 · 2025-01-21 · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L4WYOOSU4C7EY3CCNTTLQD5ZZT}

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.

Cited by

1 paper in Pith

Secure Decentralized Federated Learning via Gossip and Virtual Voting

Receipt and verification

First computed	2026-07-05T10:03:13.932008Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f2d873a54e0be4c6c426ce6b80fb9cce098956c8cab13bd2529422286dee1a7

Aliases

arxiv: 2501.11794 · arxiv_version: 2501.11794v1 · doi: 10.48550/arxiv.2501.11794 · pith_short_12: L4WYOOSU4C7E · pith_short_16: L4WYOOSU4C7EY3CC · pith_short_8: L4WYOOSU

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/L4WYOOSU4C7EY3CCNTTLQD5ZZT \
  | 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: 5f2d873a54e0be4c6c426ce6b80fb9cce098956c8cab13bd2529422286dee1a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75da99a6974545b09e1fdc2f482d92a948c074d1cbbb29efdc79b240503c73b1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2025-01-21T00:03:54Z",
    "title_canon_sha256": "809175644fdb71a1f09bd4c403e1f17bd21e8659c4258921cab7bf2d678037e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.11794",
    "kind": "arxiv",
    "version": 1
  }
}