Pith Number

pith:BKPOMBJB

pith:2018:BKPOMBJBEMUY3VY5O7TTN4MVXO

not attested not anchored not stored refs pending

Renyi entropy of highly entangled spin chains

Fumihiko Sugino, Vladimir Korepin

arxiv:1806.04049 v3 · 2018-06-11 · hep-th · cond-mat.stat-mech · math-ph · math.MP · 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{BKPOMBJBEMUY3VY5O7TTN4MVXO}

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	2026-05-18T00:01:14.894945Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a9ee6052123298dd71d77e736f195bbbe769706a55bebef60d3fb2fec4ea753

Aliases

arxiv: 1806.04049 · arxiv_version: 1806.04049v3 · doi: 10.48550/arxiv.1806.04049 · pith_short_12: BKPOMBJBEMUY · pith_short_16: BKPOMBJBEMUY3VY5 · pith_short_8: BKPOMBJB

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/BKPOMBJBEMUY3VY5O7TTN4MVXO \
  | 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: 0a9ee6052123298dd71d77e736f195bbbe769706a55bebef60d3fb2fec4ea753

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b52bdadc562d1742c668a6f97756e64a62252f025779406053b1efce20c9c7f",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "math-ph",
      "math.MP",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2018-06-11T15:18:58Z",
    "title_canon_sha256": "dbe52c795482d66babc7e0a380bc88dac1df45f20d45b1cb0b3bbbd4f53fac9a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.04049",
    "kind": "arxiv",
    "version": 3
  }
}