Pith Number

pith:LFY3NA7M

pith:2012:LFY3NA7M4YO4ADF34WNYFQWI7Y

not attested not anchored not stored refs pending

The second-order reduced density matrix method and the two-dimensional Hubbard model

James S. M. Anderson, Katsuki Fujisawa, Maho Nakata, Makoto Yamashita, Ryo Igarashi

arxiv:1207.4847 v1 · 2012-07-20 · 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{LFY3NA7M4YO4ADF34WNYFQWI7Y}

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	2026-05-18T03:50:35.000146Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5971b683ece61dc00cbbe59b82c2c8fe2e06f546053f085c1cd3d91b7e034c13

Aliases

arxiv: 1207.4847 · arxiv_version: 1207.4847v1 · doi: 10.48550/arxiv.1207.4847 · pith_short_12: LFY3NA7M4YO4 · pith_short_16: LFY3NA7M4YO4ADF3 · pith_short_8: LFY3NA7M

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/LFY3NA7M4YO4ADF34WNYFQWI7Y \
  | 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: 5971b683ece61dc00cbbe59b82c2c8fe2e06f546053f085c1cd3d91b7e034c13

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b4f104a68723576cf0f2369e30480673f73bac783e306a7bff028a49f340edf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2012-07-20T03:32:16Z",
    "title_canon_sha256": "11c9545a6a73357351f63cf8e7dd5b9b59578b0ff401e8202e1c0e311490172c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.4847",
    "kind": "arxiv",
    "version": 1
  }
}