Pith Number

pith:TKYD6UDO

pith:2021:TKYD6UDOG3JGAT3K6IH3UBDGV5

not attested not anchored not stored refs pending

Variational learning of quantum ground states on spiking neuromorphic hardware

Andreas Baumbach, Martin G\"arttner, Mihai A. Petrovici, Robert Klassert

arxiv:2109.15169 v4 · 2021-09-30 · quant-ph · cond-mat.dis-nn · cs.ET · 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{TKYD6UDOG3JGAT3K6IH3UBDGV5}

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	2026-07-05T03:35:13.139898Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ab03f506e36d2604f6af20fba0466af6cc51c5bd519310ac65678cf24e4c59f

Aliases

arxiv: 2109.15169 · arxiv_version: 2109.15169v4 · doi: 10.48550/arxiv.2109.15169 · pith_short_12: TKYD6UDOG3JG · pith_short_16: TKYD6UDOG3JGAT3K · pith_short_8: TKYD6UDO

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/TKYD6UDOG3JGAT3K6IH3UBDGV5 \
  | 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: 9ab03f506e36d2604f6af20fba0466af6cc51c5bd519310ac65678cf24e4c59f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6cd4f6d29a8fd44b6302bc85a7de6bd27051099b8d7f4add779cf2bfde470e6f",
    "cross_cats_sorted": [
      "cond-mat.dis-nn",
      "cs.ET",
      "cs.NE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-09-30T14:39:45Z",
    "title_canon_sha256": "96e87ac6aca614de001426b2224e1326e400a20bcd8c1d078f90b350130fab6a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.15169",
    "kind": "arxiv",
    "version": 4
  }
}