Pith Number

pith:ACZ3BT5W

pith:2021:ACZ3BT5W7AWSESHA6CCY5EQ5GC

not attested not anchored not stored refs pending

Experimental Quantum Learning of a Spectral Decomposition

Andrew Sornborger, Michael R. Geller, Patrick J. Coles, Zo\"e Holmes

arxiv:2104.03295 v1 · 2021-04-07 · 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{ACZ3BT5W7AWSESHA6CCY5EQ5GC}

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	2026-07-05T03:12:02.532426Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

00b3b0cfb6f82d2248e0f0858e921d3094a0da41dea88b003cacb44e018113df

Aliases

arxiv: 2104.03295 · arxiv_version: 2104.03295v1 · doi: 10.48550/arxiv.2104.03295 · pith_short_12: ACZ3BT5W7AWS · pith_short_16: ACZ3BT5W7AWSESHA · pith_short_8: ACZ3BT5W

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/ACZ3BT5W7AWSESHA6CCY5EQ5GC \
  | 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: 00b3b0cfb6f82d2248e0f0858e921d3094a0da41dea88b003cacb44e018113df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2683c769ab44cb73b89c3fa1da2dbed727e2ef1add2db401e93d1fbb5c1f916e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-04-07T17:53:50Z",
    "title_canon_sha256": "926e1d5c6b4a04b87a6f02a11d1cf7d3c7c9700ce5cb144615e6a40fa2b25292"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.03295",
    "kind": "arxiv",
    "version": 1
  }
}