Pith Number

pith:2M4ZYOBW

pith:2021:2M4ZYOBW3BKI3WS7FRB4CCBSHD

not attested not anchored not stored refs pending

Superconductivity in the bilayer Hubbard model: Are two Fermi surfaces better than one?

Seher Karakuzu, Steven Johnston, Thomas A. Maier

arxiv:2107.13996 v1 · 2021-07-29 · 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{2M4ZYOBW3BKI3WS7FRB4CCBSHD}

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	2026-07-05T03:01:42.884572Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3399c3836d8548dda5f2c43c1083238ce3e6028d45c5c669840e5fafd6b71d2

Aliases

arxiv: 2107.13996 · arxiv_version: 2107.13996v1 · doi: 10.48550/arxiv.2107.13996 · pith_short_12: 2M4ZYOBW3BKI · pith_short_16: 2M4ZYOBW3BKI3WS7 · pith_short_8: 2M4ZYOBW

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/2M4ZYOBW3BKI3WS7FRB4CCBSHD \
  | 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: d3399c3836d8548dda5f2c43c1083238ce3e6028d45c5c669840e5fafd6b71d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f1093836b1fb862816ec8677d17115822db1266bfb3a7692f249b82d199706c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2021-07-29T14:14:16Z",
    "title_canon_sha256": "dfeb9fd93147806806cb32abe8d2932abae4f00b51d3b2227548bdb29e9b78ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.13996",
    "kind": "arxiv",
    "version": 1
  }
}