Pith Number

pith:6D2KPB4B

pith:2018:6D2KPB4BNWBRZNESS7VRUOLJ74

not attested not anchored not stored refs pending

Blockchain platform with proof-of-work based on analog Hamiltonian optimisers

Kirill P. Kalinin, Natalia G. Berloff

arxiv:1802.10091 v1 · 2018-02-27 · 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{6D2KPB4BNWBRZNESS7VRUOLJ74}

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	2026-05-18T00:22:18.103140Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f0f4a787816d831cb49297eb1a3969ff2c341fe15927ab1c8ad8160069b1840d

Aliases

arxiv: 1802.10091 · arxiv_version: 1802.10091v1 · doi: 10.48550/arxiv.1802.10091 · pith_short_12: 6D2KPB4BNWBR · pith_short_16: 6D2KPB4BNWBRZNES · pith_short_8: 6D2KPB4B

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/6D2KPB4BNWBRZNESS7VRUOLJ74 \
  | 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: f0f4a787816d831cb49297eb1a3969ff2c341fe15927ab1c8ad8160069b1840d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c3e1acde14ca502694c237b955c1deb9070b16d1448dad8433f5f5034e0b29f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-02-27T16:30:08Z",
    "title_canon_sha256": "0b96cceaad71031bbe0930c6b7a489e1b78f54d49eadf88cbfc735d03312cdd4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.10091",
    "kind": "arxiv",
    "version": 1
  }
}