Pith Number

pith:QRD55VBD

pith:2025:QRD55VBDPPDABGV4PTM2YAYO2Y

not attested not anchored not stored refs pending

Efficient Fermi-Hubbard model ground-state preparation by coupling to a classical reservoir in the instantaneous-response limit

A. F. Kemper, J. K. Freericks, Lorenzo Del Re, Zekun He

arxiv:2501.13862 v2 · 2025-01-23 · quant-ph · cond-mat.str-el

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QRD55VBDPPDABGV4PTM2YAYO2Y}

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	2026-07-05T11:39:47.511626Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8447ded4237bc6009abc7cd9ac030ed63fcf4fa882e49a05e193f9dabbe222cb

Aliases

arxiv: 2501.13862 · arxiv_version: 2501.13862v2 · doi: 10.48550/arxiv.2501.13862 · pith_short_12: QRD55VBDPPDA · pith_short_16: QRD55VBDPPDABGV4 · pith_short_8: QRD55VBD

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/QRD55VBDPPDABGV4PTM2YAYO2Y \
  | 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: 8447ded4237bc6009abc7cd9ac030ed63fcf4fa882e49a05e193f9dabbe222cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a72e9ee7650db19aecd500af1b7c3e658b0d6eaf41b3dc627d60728929902a3e",
    "cross_cats_sorted": [
      "cond-mat.str-el"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-01-23T17:33:21Z",
    "title_canon_sha256": "c7ae311ef521de7942928020bd77fca778b673deb61199a5d61caf6fd014a24b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.13862",
    "kind": "arxiv",
    "version": 2
  }
}