Pith Number

pith:REFXFP4T

pith:2019:REFXFP4TCR2HPS5VE3GUIYY67V

not attested not anchored not stored refs pending

Taming the sign problem of the finite density Hubbard model via Lefschetz thimbles

Christopher Winterowd, Maksim Ulybyshev, Savvas Zafeiropoulos

arxiv:1906.02726 v2 · 2019-06-06 · cond-mat.str-el · hep-lat · hep-th

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{REFXFP4TCR2HPS5VE3GUIYY67V}

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

Analyzing the two-dimensional doped Hubbard model with the Worldvolume HMC method

Receipt and verification

First computed	2026-05-17T23:43:32.499949Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

890b72bf93147477cbb526cd44631efd599f6926788ef562902ae5bc3ae4d682

Aliases

arxiv: 1906.02726 · arxiv_version: 1906.02726v2 · doi: 10.48550/arxiv.1906.02726 · pith_short_12: REFXFP4TCR2H · pith_short_16: REFXFP4TCR2HPS5V · pith_short_8: REFXFP4T

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/REFXFP4TCR2HPS5VE3GUIYY67V \
  | 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: 890b72bf93147477cbb526cd44631efd599f6926788ef562902ae5bc3ae4d682

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ab027747898031fe811f01536806ec5a9e89ce8af57fb1dd14973b63b43a8f3",
    "cross_cats_sorted": [
      "hep-lat",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2019-06-06T17:48:50Z",
    "title_canon_sha256": "f2e7c8d59fac650ccd27bcfb7f97bac7a8e1f68d500e4262e7fd138650ae8d62"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.02726",
    "kind": "arxiv",
    "version": 2
  }
}