Pith Number

pith:4VTZXER3

pith:2014:4VTZXER3WGK7I2WLEHBOIBHHXV

not attested not anchored not stored refs pending

Quantum learning robust to noise

Andrew W. Cross, Graeme Smith, John A. Smolin

arxiv:1407.5088 v1 · 2014-07-18 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4VTZXER3WGK7I2WLEHBOIBHHXV}

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	2026-05-18T01:35:57.304822Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5679b923bb195f46acb21c2e404e7bd67dd76854a374ecce5ab3ae4fe8f087d

Aliases

arxiv: 1407.5088 · arxiv_version: 1407.5088v1 · doi: 10.48550/arxiv.1407.5088 · pith_short_12: 4VTZXER3WGK7 · pith_short_16: 4VTZXER3WGK7I2WL · pith_short_8: 4VTZXER3

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/4VTZXER3WGK7I2WLEHBOIBHHXV \
  | 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: e5679b923bb195f46acb21c2e404e7bd67dd76854a374ecce5ab3ae4fe8f087d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a05e5a1c261eee8142d4717563e8bdce2091bc6cce0bef905bbb97309169296f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-07-18T19:53:13Z",
    "title_canon_sha256": "78518155d4e5100eed5fc4afe975d2268c199efcb72d4651d42c3f204741a711"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.5088",
    "kind": "arxiv",
    "version": 1
  }
}