Pith Number

pith:75ABJLKB

pith:2022:75ABJLKBGQJ6A7GIPY53LYHG2S

not attested not anchored not stored refs pending

Exponential reduction of the sign problem at finite density in the 2+1D XY model via contour deformations

Attila Pasztor, Kornel Kapas, Matteo Giordano, Sandor D Katz, Zoltan Tulipant

arxiv:2202.07561 v1 · 2022-02-15 · hep-lat · cond-mat.stat-mech

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\usepackage{pith}
\pithnumber{75ABJLKBGQJ6A7GIPY53LYHG2S}

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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

1 paper in Pith

Path optimization method for the sign problem caused by fermion determinant

Receipt and verification

First computed	2026-07-05T05:05:31.041759Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff4014ad413413e07cc87e3bb5e0e6d488cb1c4f86238a8b32ed3768dc5d58dd

Aliases

arxiv: 2202.07561 · arxiv_version: 2202.07561v1 · doi: 10.48550/arxiv.2202.07561 · pith_short_12: 75ABJLKBGQJ6 · pith_short_16: 75ABJLKBGQJ6A7GI · pith_short_8: 75ABJLKB

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/75ABJLKBGQJ6A7GIPY53LYHG2S \
  | 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: ff4014ad413413e07cc87e3bb5e0e6d488cb1c4f86238a8b32ed3768dc5d58dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea80e75174febbf24fc5eec56df98e8d75c47b7a89de4ea29b4f739d1ddcdee7",
    "cross_cats_sorted": [
      "cond-mat.stat-mech"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-lat",
    "submitted_at": "2022-02-15T16:46:08Z",
    "title_canon_sha256": "d6c4481b32068f01970f3ca6348aa580168f55fcac2358b2b1952c376c1a1209"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.07561",
    "kind": "arxiv",
    "version": 1
  }
}