Pith Number

pith:EVJQ4KHX

pith:2015:EVJQ4KHXKTRJ2L5TZWKPNPLQEU

not attested not anchored not stored refs pending

The classical-quantum divergence of complexity in modelling spin chains

Andrew J. P. Garner, Jayne Thompson, Mile Gu, Vlatko Vedral, Whei Yeap Suen

arxiv:1511.05738 v4 · 2015-11-18 · quant-ph · cond-mat.stat-mech · math.PR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EVJQ4KHXKTRJ2L5TZWKPNPLQEU}

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	2026-05-18T00:36:43.952217Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25530e28f754e29d2fb3cd94f6bd7025260e1ec9872ab593e9cd95144822ce7b

Aliases

arxiv: 1511.05738 · arxiv_version: 1511.05738v4 · doi: 10.48550/arxiv.1511.05738 · pith_short_12: EVJQ4KHXKTRJ · pith_short_16: EVJQ4KHXKTRJ2L5T · pith_short_8: EVJQ4KHX

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/EVJQ4KHXKTRJ2L5TZWKPNPLQEU \
  | 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: 25530e28f754e29d2fb3cd94f6bd7025260e1ec9872ab593e9cd95144822ce7b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e79ae9730ed834914007ef46691b6d53dabccdab2627cf3e0feeb2a9ce6dc41",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "math.PR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-11-18T11:29:50Z",
    "title_canon_sha256": "670574ea3d9c921038e1c7a8f8c7c32d773391b520f0cd6df8370f2774200d52"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.05738",
    "kind": "arxiv",
    "version": 4
  }
}