Pith Number

pith:AD2I4X7M

pith:2021:AD2I4X7MIGUTOFRFZXAKWVY4DM

not attested not anchored not stored refs pending

A comparison between D-wave and a classical approximation algorithm and a heuristic for computing the ground state of an Ising spin glass

Danny Hermelin, Leon Kellerhals, Nathan Schaar, Oren Raz, Rami Pugatch, Ran Yaacoby

arxiv:2105.00537 v1 · 2021-05-02 · cond-mat.dis-nn · cond-mat.stat-mech · 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{AD2I4X7MIGUTOFRFZXAKWVY4DM}

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	2026-07-05T04:11:45.265477Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

00f48e5fec41a9371625cdc0ab571c1b2f2ef1d335cf98f31d0de4ce553cba2c

Aliases

arxiv: 2105.00537 · arxiv_version: 2105.00537v1 · doi: 10.48550/arxiv.2105.00537 · pith_short_12: AD2I4X7MIGUT · pith_short_16: AD2I4X7MIGUTOFRF · pith_short_8: AD2I4X7M

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/AD2I4X7MIGUTOFRFZXAKWVY4DM \
  | 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: 00f48e5fec41a9371625cdc0ab571c1b2f2ef1d335cf98f31d0de4ce553cba2c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "364668ae9762f67aac2e44d47a422d2742f05627240fb9197e253b51b5461ce0",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "quant-ph"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cond-mat.dis-nn",
    "submitted_at": "2021-05-02T19:18:30Z",
    "title_canon_sha256": "41c37ee79f1a503dc2475c2e650077651cc3b790dbe46c29312a872ebbcf6fc6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.00537",
    "kind": "arxiv",
    "version": 1
  }
}