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Pith Number

pith:QBRXGIQF

pith:2026:QBRXGIQF7REJI4TI5GGTFNRE2Z
not attested not anchored not stored refs pending

Asymptotic freedom, lost: Complex conformal field theory in the two-dimensional $O(N>2)$ nonlinear sigma model and its realization in Heisenberg spin chains

Christopher Yang, Thomas Scaffidi

arxiv:2601.02459 v2 · 2026-01-05 · cond-mat.stat-mech · cond-mat.str-el · hep-th · quant-ph

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\usepackage{pith}
\pithnumber{QBRXGIQF7REJI4TI5GGTFNRE2Z}

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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

4 papers in Pith

Receipt and verification
First computed 2026-07-29T01:25:32.885166Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

8063732205fc48947268e98d32b624d67c977634a58539fd9c370fe637e50879

Aliases

arxiv: 2601.02459 · arxiv_version: 2601.02459v2 · doi: 10.48550/arxiv.2601.02459 · pith_short_12: QBRXGIQF7REJ · pith_short_16: QBRXGIQF7REJI4TI · pith_short_8: QBRXGIQF
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/QBRXGIQF7REJI4TI5GGTFNRE2Z \
  | 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: 8063732205fc48947268e98d32b624d67c977634a58539fd9c370fe637e50879
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "28e0e3063149cee0c9c1e83891077a5d7818f17c74cfc7e4219910781579c5a8",
    "cross_cats_sorted": [
      "cond-mat.str-el",
      "hep-th",
      "quant-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2026-01-05T19:00:00Z",
    "title_canon_sha256": "f530f5c94cbccc81e13352c196b922db05a04488809129df14d5e9d055753d5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.02459",
    "kind": "arxiv",
    "version": 2
  }
}