Pith Number

pith:2MTHBIJ7

pith:2016:2MTHBIJ7VBNVP7KZQUZI2MJTNY

not attested not anchored not stored refs pending

Entanglement entropy of the $Q \ge 4$ quantum Potts chain

Ferenc Igl\'oi, P\'eter Lajk\'o

arxiv:1608.04887 v1 · 2016-08-17 · 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{2MTHBIJ7VBNVP7KZQUZI2MJTNY}

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	2026-05-18T00:53:07.724541Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d32670a13fa85b57fd5985328d31336e3e8142ecb0b92c0458b9e6ada572ef69

Aliases

arxiv: 1608.04887 · arxiv_version: 1608.04887v1 · doi: 10.48550/arxiv.1608.04887 · pith_short_12: 2MTHBIJ7VBNV · pith_short_16: 2MTHBIJ7VBNVP7KZ · pith_short_8: 2MTHBIJ7

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/2MTHBIJ7VBNVP7KZQUZI2MJTNY \
  | 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: d32670a13fa85b57fd5985328d31336e3e8142ecb0b92c0458b9e6ada572ef69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc69d176079cfc5f0ab6a9e90dd84f3e39e8bc7122e3e756cf4b57ec199361e1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2016-08-17T08:10:14Z",
    "title_canon_sha256": "0683a23493987a7f336e6fb0595b629dfe33c1b0e0d8f2e3432bcfe0a30858f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.04887",
    "kind": "arxiv",
    "version": 1
  }
}