Pith Number

pith:L5VHEPER

pith:2016:L5VHEPERIH737HZKYQNGNBLMSF

not attested not anchored not stored refs pending

Practical engineering of hard spin-glass instances

Itay Hen, Jeffrey Marshall, Victor Martin-Mayor

arxiv:1605.03607 v2 · 2016-05-11 · quant-ph · physics.comp-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{L5VHEPERIH737HZKYQNGNBLMSF}

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	2026-05-18T01:11:04.702463Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f6a723c9141ffbf9f2ac41a66856c9153f8d005d42e0cb5450a8f3002925bb7

Aliases

arxiv: 1605.03607 · arxiv_version: 1605.03607v2 · doi: 10.48550/arxiv.1605.03607 · pith_short_12: L5VHEPERIH73 · pith_short_16: L5VHEPERIH737HZK · pith_short_8: L5VHEPER

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/L5VHEPERIH737HZKYQNGNBLMSF \
  | 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: 5f6a723c9141ffbf9f2ac41a66856c9153f8d005d42e0cb5450a8f3002925bb7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33820f4d5c45a27c47a240009910fc51de355fce1026baa08ffb4018dea45d55",
    "cross_cats_sorted": [
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-05-11T20:18:22Z",
    "title_canon_sha256": "dc74a350bc0bd32c87707c1d521c6b0625ba6f106b784d7ddc8f446be19ec86d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.03607",
    "kind": "arxiv",
    "version": 2
  }
}