Pith Number

pith:2HJZJZ7H

pith:2017:2HJZJZ7HLZA6GTFBHE6FIMTKLC

not attested not anchored not stored refs pending

Mixture Models, Robustness, and Sum of Squares Proofs

Jerry Li, Samuel B. Hopkins

arxiv:1711.07454 v1 · 2017-11-20 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2HJZJZ7HLZA6GTFBHE6FIMTKLC}

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	2026-05-18T00:30:10.123608Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1d394e7e75e41e34ca1393c54326a5894dab0c73772cf8cadf546f1cbffca78

Aliases

arxiv: 1711.07454 · arxiv_version: 1711.07454v1 · doi: 10.48550/arxiv.1711.07454 · pith_short_12: 2HJZJZ7HLZA6 · pith_short_16: 2HJZJZ7HLZA6GTFB · pith_short_8: 2HJZJZ7H

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/2HJZJZ7HLZA6GTFBHE6FIMTKLC \
  | 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: d1d394e7e75e41e34ca1393c54326a5894dab0c73772cf8cadf546f1cbffca78

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7a3f523c72c2f714afbb609e2095a77356671c4bf972f9ca3241ada9babb452",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2017-11-20T18:33:23Z",
    "title_canon_sha256": "09a85197ee8f48f36440a9230cbea8dd49fa6fdd9f4e70e9772b067ffab7503c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.07454",
    "kind": "arxiv",
    "version": 1
  }
}