Pith Number

pith:HD2W7EAC

pith:2018:HD2W7EACWZE7X5U3SKFTMQ2GDF

not attested not anchored not stored refs pending

The pair-flip model: a very entangled translationally invariant spin chain

Daniel Nagaj, Libor Caha

arxiv:1805.07168 v1 · 2018-05-18 · quant-ph · 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{HD2W7EACWZE7X5U3SKFTMQ2GDF}

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.

Cited by

1 paper in Pith

Quantum Fragmentation

Receipt and verification

First computed	2026-05-18T00:15:39.052307Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38f56f9002b649fbf69b928b364346197fbad62faff2177d453a87ffd692eeb5

Aliases

arxiv: 1805.07168 · arxiv_version: 1805.07168v1 · doi: 10.48550/arxiv.1805.07168 · pith_short_12: HD2W7EACWZE7 · pith_short_16: HD2W7EACWZE7X5U3 · pith_short_8: HD2W7EAC

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/HD2W7EACWZE7X5U3SKFTMQ2GDF \
  | 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: 38f56f9002b649fbf69b928b364346197fbad62faff2177d453a87ffd692eeb5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e9b6f8e0dfc3d9057d3c73878430ec662965360fd8f00e38eab1d8ad657799b",
    "cross_cats_sorted": [
      "cond-mat.stat-mech"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-05-18T12:31:23Z",
    "title_canon_sha256": "639fa40ef58f367673fbddfd2ded12c97cacc71030ac590c20c7fad27bed59f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.07168",
    "kind": "arxiv",
    "version": 1
  }
}