Pith Number

pith:M6MFJUMS

pith:2018:M6MFJUMSFEO3SCNNWNWCQV65DI

not attested not anchored not stored refs pending

The spin-s homogeneous central spin model: exact spectrum and dynamics

Rafael I. Nepomechie, Xi-Wen Guan

arxiv:1810.03937 v1 · 2018-10-09 · quant-ph · cond-mat.stat-mech · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M6MFJUMSFEO3SCNNWNWCQV65DI}

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	2026-05-18T00:00:47.447700Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

679854d192291db909adb36c2857dd1a0942a9b551f0bb4cee89d9e5f85e84b4

Aliases

arxiv: 1810.03937 · arxiv_version: 1810.03937v1 · doi: 10.48550/arxiv.1810.03937 · pith_short_12: M6MFJUMSFEO3 · pith_short_16: M6MFJUMSFEO3SCNN · pith_short_8: M6MFJUMS

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/M6MFJUMSFEO3SCNNWNWCQV65DI \
  | 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: 679854d192291db909adb36c2857dd1a0942a9b551f0bb4cee89d9e5f85e84b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "afadea2405662cceb4632657afabf33bd23d3dcb4bb81e5a99d9d4e0da6fca86",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-10-09T12:31:40Z",
    "title_canon_sha256": "7f91750946c19c404e52186008998e453ccd8753874a1bc0862df6db03775c29"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.03937",
    "kind": "arxiv",
    "version": 1
  }
}