Pith Number

pith:NSFWRH5B

pith:2021:NSFWRH5BAUACDISUJWIDOCPM6I

not attested not anchored not stored refs pending

Towards a Topological Quantum Chemistry description of correlated systems: the case of the Hubbard diamond chain

Apoorv Tiwari, Dominik Lessnich, Francesco Ferrari, Frank Pollmann, Maia G. Vergniory, Mark H. Fischer, Mikel Iraola, Niclas Heinsdorf, Roser Valent\'i, Stephen M. Winter, Thomas Mertz, Titus Neupert

arxiv:2101.04135 v1 · 2021-01-11 · 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{NSFWRH5BAUACDISUJWIDOCPM6I}

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	2026-07-05T03:34:21.607349Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c8b689fa1050021a2544d903709ecf22d680edef728341ffeefee44028d765d

Aliases

arxiv: 2101.04135 · arxiv_version: 2101.04135v1 · doi: 10.48550/arxiv.2101.04135 · pith_short_12: NSFWRH5BAUAC · pith_short_16: NSFWRH5BAUACDISU · pith_short_8: NSFWRH5B

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/NSFWRH5BAUACDISUJWIDOCPM6I \
  | 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: 6c8b689fa1050021a2544d903709ecf22d680edef728341ffeefee44028d765d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bda4f3cff65fc43fe929c80307bfc2f9e23837708b88a27d913ab01d9520d981",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2021-01-11T19:01:02Z",
    "title_canon_sha256": "dc8ad9f7f099352f79b4a73fdd484bca165359c4b5651d5565f1b1e4c1447009"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.04135",
    "kind": "arxiv",
    "version": 1
  }
}