Pith Number

pith:Z3DPY2AS

pith:2014:Z3DPY2ASKYCHLZNDIYY2L4MPZ2

not attested not anchored not stored refs pending

The Hubbard model beyond the two-pole approximation: a Composite Operator Method study

Adolfo Avella (Universit\`a degli Studi di Salerno, CNR-SPIN, Italy, Italy), Unit\`a CNISM di Salerno, UoS di Salerno

arxiv:1401.8110 v1 · 2014-01-31 · cond-mat.str-el · cond-mat.supr-con

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z3DPY2ASKYCHLZNDIYY2L4MPZ2}

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	2026-05-18T02:57:52.068020Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cec6fc6812560475e5a34631a5f18fce96fba561fe6ba36f67a6337b497459b1

Aliases

arxiv: 1401.8110 · arxiv_version: 1401.8110v1 · doi: 10.48550/arxiv.1401.8110 · pith_short_12: Z3DPY2ASKYCH · pith_short_16: Z3DPY2ASKYCHLZND · pith_short_8: Z3DPY2AS

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/Z3DPY2ASKYCHLZNDIYY2L4MPZ2 \
  | 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: cec6fc6812560475e5a34631a5f18fce96fba561fe6ba36f67a6337b497459b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3167035f9c45c1e8ab371a814a27b1f3c120ad3e7a60552fcd9b0453b75e33ca",
    "cross_cats_sorted": [
      "cond-mat.supr-con"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2014-01-31T10:04:48Z",
    "title_canon_sha256": "bf7e4935b4bd91160f8c28ef34255f7085e0cc5610c7bce9071915a2d0820237"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.8110",
    "kind": "arxiv",
    "version": 1
  }
}