Pith Number

pith:FTFC5EYV

pith:2021:FTFC5EYVI6PMLP76DYKG64QKQ3

not attested not anchored not stored refs pending

SPIDER: Searching Personalized Neural Architecture for Federated Learning

Chaoyang He, Erum Mushtaq, Jie Ding, Salman Avestimehr

arxiv:2112.13939 v1 · 2021-12-27 · cs.LG · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FTFC5EYVI6PMLP76DYKG64QKQ3}

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	2026-07-05T03:44:16.696366Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2cca2e9315479ec5bffe1e146f720a86c5c874fedda5172046de673ecad252ef

Aliases

arxiv: 2112.13939 · arxiv_version: 2112.13939v1 · doi: 10.48550/arxiv.2112.13939 · pith_short_12: FTFC5EYVI6PM · pith_short_16: FTFC5EYVI6PMLP76 · pith_short_8: FTFC5EYV

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/FTFC5EYVI6PMLP76DYKG64QKQ3 \
  | 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: 2cca2e9315479ec5bffe1e146f720a86c5c874fedda5172046de673ecad252ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8afd033d23355a5f7607b5ff18cfc098fb3927ca0a6978129c7484be981f4d60",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-12-27T23:42:15Z",
    "title_canon_sha256": "0d697d653a2316ae7073def53c509a0884ff92335eba4ec0c94fbaf2f7925f7e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.13939",
    "kind": "arxiv",
    "version": 1
  }
}