Pith Number

pith:NWRFSYLJ

pith:2010:NWRFSYLJWJP5G5OIAMZK2LZ6DG

not attested not anchored not stored refs pending

Evaluation of ground state entanglement in spin systems with the random phase approximation

J.M. Matera, N. Canosa, R. Rossignoli

arxiv:1009.1750 v2 · 2010-09-09 · quant-ph · cond-mat.stat-mech

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NWRFSYLJWJP5G5OIAMZK2LZ6DG}

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	2026-05-18T04:23:47.985165Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6da2596169b25fd375c80332ad2f3e199f9b21f0dcb9fcef20743053cc55a3bf

Aliases

arxiv: 1009.1750 · arxiv_version: 1009.1750v2 · doi: 10.48550/arxiv.1009.1750 · pith_short_12: NWRFSYLJWJP5 · pith_short_16: NWRFSYLJWJP5G5OI · pith_short_8: NWRFSYLJ

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/NWRFSYLJWJP5G5OIAMZK2LZ6DG \
  | 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: 6da2596169b25fd375c80332ad2f3e199f9b21f0dcb9fcef20743053cc55a3bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9cd303f5a989270319a3af4ad1cce7cecf61e2bfb4be76465b2eb5706bc29d28",
    "cross_cats_sorted": [
      "cond-mat.stat-mech"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-09-09T12:26:26Z",
    "title_canon_sha256": "68d43b7e506a73126e9b74868e3becd6f13e83360969175441e84daeb058474c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.1750",
    "kind": "arxiv",
    "version": 2
  }
}