pith. sign in
Pith Number

pith:7YWY7UUJ

pith:2018:7YWY7UUJ6NLFTLDSZNVMCUNQQC
not attested not anchored not stored refs pending

Spectroscopy of the Hubbard dimer: the spectral potential

Lucia Reining, Marco Vanzini, Matteo Gatti

arxiv:1809.08187 v1 · 2018-09-21 · cond-mat.str-el

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{7YWY7UUJ6NLFTLDSZNVMCUNQQC}

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 2026-05-18T00:05:10.176509Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

fe2d8fd289f35659ac72cb6ac151b080a0e9c8b4c6352d1926ae1173f7948139

Aliases

arxiv: 1809.08187 · arxiv_version: 1809.08187v1 · doi: 10.48550/arxiv.1809.08187 · pith_short_12: 7YWY7UUJ6NLF · pith_short_16: 7YWY7UUJ6NLFTLDS · pith_short_8: 7YWY7UUJ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/7YWY7UUJ6NLFTLDSZNVMCUNQQC \
  | 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: fe2d8fd289f35659ac72cb6ac151b080a0e9c8b4c6352d1926ae1173f7948139
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "74940859facceb16f064565e09486515ee4e06e2c04b706bbb793a07a928e0dd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2018-09-21T16:14:07Z",
    "title_canon_sha256": "ea94e755890ee8fa3935cd84c22f825d02a14aafc151e11dae80cee8eeda54ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.08187",
    "kind": "arxiv",
    "version": 1
  }
}