Pith Number

pith:BEFOPB7K

pith:2021:BEFOPB7K2YBLMG6TYAPXWH7VZJ

not attested not anchored not stored refs pending

Preserved central model for faster bidirectional compression in distributed settings

Aymeric Dieuleveut, Constantin Philippenko

arxiv:2102.12528 v2 · 2021-02-24 · cs.LG · cs.DC · math.ST · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BEFOPB7K2YBLMG6TYAPXWH7VZJ}

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	2026-07-05T04:32:10.141512Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

090ae787ead602b61bd3c01f7b1ff5ca45053d7ba7176f8b5cacedcf3bcddaf0

Aliases

arxiv: 2102.12528 · arxiv_version: 2102.12528v2 · doi: 10.48550/arxiv.2102.12528 · pith_short_12: BEFOPB7K2YBL · pith_short_16: BEFOPB7K2YBLMG6T · pith_short_8: BEFOPB7K

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/BEFOPB7K2YBLMG6TYAPXWH7VZJ \
  | 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: 090ae787ead602b61bd3c01f7b1ff5ca45053d7ba7176f8b5cacedcf3bcddaf0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b8da305078e3daf0792d9885eca61e46a37d9fb982a1a0cd95573de2b361de3",
    "cross_cats_sorted": [
      "cs.DC",
      "math.ST",
      "stat.TH"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-02-24T19:48:20Z",
    "title_canon_sha256": "3c2c9995f5c904ca4ba9de2550e742e5bd8ddb926d57a57cc47bb787e7a8b99c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.12528",
    "kind": "arxiv",
    "version": 2
  }
}