Pith Number

pith:6XOQ4KPG

pith:2013:6XOQ4KPGYEYXAOZ6LVSDSOLZP7

not attested not anchored not stored refs pending

A PTAS for the Classical Ising Spin Glass Problem on the Chimera Graph Structure

Rishi Saket

arxiv:1306.6943 v2 · 2013-06-20 · cs.DS · 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{6XOQ4KPGYEYXAOZ6LVSDSOLZP7}

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	2026-05-18T03:19:34.439248Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5dd0e29e6c131703b3e5d643939797fd53a652623e81e924f3a612d50d021a8

Aliases

arxiv: 1306.6943 · arxiv_version: 1306.6943v2 · doi: 10.48550/arxiv.1306.6943 · pith_short_12: 6XOQ4KPGYEYX · pith_short_16: 6XOQ4KPGYEYXAOZ6 · pith_short_8: 6XOQ4KPG

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/6XOQ4KPGYEYXAOZ6LVSDSOLZP7 \
  | 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: f5dd0e29e6c131703b3e5d643939797fd53a652623e81e924f3a612d50d021a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ea1d74c12576c1a7e5b9616ac15a8e6e888e52a222903c5c722a1f44dda5020",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2013-06-20T20:00:25Z",
    "title_canon_sha256": "891e3a0c5cee925fc458f716d58fc217182da8d9b626ec2c7649d5e11b525771"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.6943",
    "kind": "arxiv",
    "version": 2
  }
}