Pith Number

pith:NFQ7VG4E

pith:2018:NFQ7VG4EERF3XWHGVLSOR7GG7L

not attested not anchored not stored refs pending

Exactly Solvable Points and Symmetry-Protected Topological Phases of Quantum Spins on a Zig-Zag Lattice

Erhai Zhao, Haiyuan Zou, W. Vincent Liu, Xi-Wen Guan

arxiv:1810.00325 v2 · 2018-09-30 · cond-mat.quant-gas · cond-mat.str-el · 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{NFQ7VG4EERF3XWHGVLSOR7GG7L}

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	2026-05-17T23:45:52.786209Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6961fa9b84244bbbd8e6aae4e8fcc6faf138590be7848d55498148df0f4f4647

Aliases

arxiv: 1810.00325 · arxiv_version: 1810.00325v2 · doi: 10.48550/arxiv.1810.00325 · pith_short_12: NFQ7VG4EERF3 · pith_short_16: NFQ7VG4EERF3XWHG · pith_short_8: NFQ7VG4E

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/NFQ7VG4EERF3XWHGVLSOR7GG7L \
  | 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: 6961fa9b84244bbbd8e6aae4e8fcc6faf138590be7848d55498148df0f4f4647

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "524db5d41af7af731ee96d74dd292589545cb98f1dd7d4281f4b957a1edcef87",
    "cross_cats_sorted": [
      "cond-mat.str-el",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.quant-gas",
    "submitted_at": "2018-09-30T06:34:38Z",
    "title_canon_sha256": "f095d07c11e02bad74862b1f5150e2fcb699ba69a2a5ca21dc2daed6b5ba19ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.00325",
    "kind": "arxiv",
    "version": 2
  }
}