Pith Number

pith:K2OWG5O2

pith:2015:K2OWG5O2UFUVYOCELKL7A3EYG5

not attested not anchored not stored refs pending

Local factorisation of the dynamics of quantum spin systems

Andreas Bluhm, Sven Bachmann

arxiv:1508.05254 v2 · 2015-08-21 · 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{K2OWG5O2UFUVYOCELKL7A3EYG5}

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	2026-05-18T01:34:54.106189Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

569d6375daa1695c38445a97f06c98377aa62a71bae77a932b55025015dfa789

Aliases

arxiv: 1508.05254 · arxiv_version: 1508.05254v2 · doi: 10.48550/arxiv.1508.05254 · pith_short_12: K2OWG5O2UFUV · pith_short_16: K2OWG5O2UFUVYOCE · pith_short_8: K2OWG5O2

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/K2OWG5O2UFUVYOCELKL7A3EYG5 \
  | 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: 569d6375daa1695c38445a97f06c98377aa62a71bae77a932b55025015dfa789

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bffe856628b0c943bd10deceaad5f5cb985e4123a1e864e2187b7d21cfd3571d",
    "cross_cats_sorted": [
      "math.MP",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2015-08-21T12:14:30Z",
    "title_canon_sha256": "67f7fbc6b4717dc0f3390c2dcf4e676e9988869bdc04f41c74e7ee3b8542c8ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.05254",
    "kind": "arxiv",
    "version": 2
  }
}