Pith Number

pith:HW7LRFGM

pith:2019:HW7LRFGMIO5PJS4SVAH7ANTJYO

not attested not anchored not stored refs pending

A charge model as an effective model of one-dimensional Hubbard and extended Hubbard systems: its application to linear optical spectrum calculations in large systems based upon many-body Wannier functions

Akira Takahashi, Hiroshi Okamoto, Kaoru Iwano, Kazuya Shinjo, Shigetoshi Sota, Shu Ohmura, Takami Tohyama, Tokitake Yamaguchi

arxiv:1908.09335 v1 · 2019-08-25 · 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{HW7LRFGMIO5PJS4SVAH7ANTJYO}

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	2026-07-05T00:36:32.330948Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3dbeb894cc43baf4cb92a80ff03669c3889ebfd457b0533ebd2864a8a8d6dd3c

Aliases

arxiv: 1908.09335 · arxiv_version: 1908.09335v1 · doi: 10.48550/arxiv.1908.09335 · pith_short_12: HW7LRFGMIO5P · pith_short_16: HW7LRFGMIO5PJS4S · pith_short_8: HW7LRFGM

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/HW7LRFGMIO5PJS4SVAH7ANTJYO \
  | 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: 3dbeb894cc43baf4cb92a80ff03669c3889ebfd457b0533ebd2864a8a8d6dd3c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c9061e35d86daf5066355bd04a9ea42b38be006f4dd9041141ccf5933502c6c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2019-08-25T14:14:01Z",
    "title_canon_sha256": "86e371b0f095d6309b3b5b0dc4f04762b866c82077796bad0c04e302042219c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.09335",
    "kind": "arxiv",
    "version": 1
  }
}