Pith Number

pith:6CJ4BQB5

pith:2019:6CJ4BQB52T4XGY3OS3FWI42K3U

not attested not anchored not stored refs pending

Superposition of many models into one

Alex Terekhov, Brian Cheung, Bruno Olshausen, Pulkit Agrawal, Yubei Chen

arxiv:1902.05522 v2 · 2019-02-14 · cs.LG · cs.AI · cs.NE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6CJ4BQB52T4XGY3OS3FWI42K3U}

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	2026-05-17T23:43:14.713721Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f093c0c03dd4f973636e96cb64734add0d557a50b55912d503441ad0f341e74e

Aliases

arxiv: 1902.05522 · arxiv_version: 1902.05522v2 · doi: 10.48550/arxiv.1902.05522 · pith_short_12: 6CJ4BQB52T4X · pith_short_16: 6CJ4BQB52T4XGY3O · pith_short_8: 6CJ4BQB5

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/6CJ4BQB52T4XGY3OS3FWI42K3U \
  | 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: f093c0c03dd4f973636e96cb64734add0d557a50b55912d503441ad0f341e74e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6821e71b0707cf7ebfc19aaad2f7e7400745f2d279de71885858ddfcca6d7d4a",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.NE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-02-14T17:59:13Z",
    "title_canon_sha256": "00bc8686f741f17b0d5b410fc05f369fd795e692c7025b24db528eb145371a1f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.05522",
    "kind": "arxiv",
    "version": 2
  }
}