Pith Number

pith:53USDHJH

pith:2013:53USDHJHCI2SZ3JPQPNGWFF5EE

not attested not anchored not stored refs pending

Approximating random quantum optimization problems

A. Laeuchli, B. Hsu, C.R. Laumann, R. Moessner, S.L. Sondhi

arxiv:1304.2837 v2 · 2013-04-10 · 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{53USDHJHCI2SZ3JPQPNGWFF5EE}

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	2026-05-18T03:19:56.407538Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eee9219d2712352ced2f83da6b14bd2100ab6d1e5d4086f20c622964723edc97

Aliases

arxiv: 1304.2837 · arxiv_version: 1304.2837v2 · doi: 10.48550/arxiv.1304.2837 · pith_short_12: 53USDHJHCI2S · pith_short_16: 53USDHJHCI2SZ3JP · pith_short_8: 53USDHJH

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/53USDHJHCI2SZ3JPQPNGWFF5EE \
  | 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: eee9219d2712352ced2f83da6b14bd2100ab6d1e5d4086f20c622964723edc97

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4baeab40a15a25ae998d831f6ce0fc28b1ac1af253b319614fbd5f997ec80799",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2013-04-10T03:35:12Z",
    "title_canon_sha256": "52da43f9b313ce6d6fe5ee959cfd9df330cb1162c28f4018ed025b02f66013c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.2837",
    "kind": "arxiv",
    "version": 2
  }
}