Pith Number

pith:6BVYHR4F

pith:1997:6BVYHR4FFVDHYHJXADXBOTDWZX

not attested not anchored not stored refs pending

The two-dimensional t-t'-U model as a minimal model for cuprate materials

(2) Seikei University), Adolfo Avella (1), Dario Villani (1), Ferdinando Mancini (1), Hideki Matsumoto (2) ((1)Universita' di Salerno

arxiv:cond-mat/9707088 v2 · 1997-07-09 · cond-mat.supr-con · 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{6BVYHR4FFVDHYHJXADXBOTDWZX}

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	2026-07-04T16:04:04.527876Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f06b83c7852d467c1d3700ee174c76cddd03c60b5bde9aff7c50c5b0ff570b70

Aliases

arxiv: cond-mat/9707088 · arxiv_version: cond-mat/9707088v2 · doi: 10.48550/arxiv.cond-mat/9707088 · pith_short_12: 6BVYHR4FFVDH · pith_short_16: 6BVYHR4FFVDHYHJX · pith_short_8: 6BVYHR4F

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/6BVYHR4FFVDHYHJXADXBOTDWZX \
  | 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: f06b83c7852d467c1d3700ee174c76cddd03c60b5bde9aff7c50c5b0ff570b70

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "654352ed2ad7c2de611621cdea86c8fc92faf23fb34484d8fc7625c9dfa5ba80",
    "cross_cats_sorted": [
      "cond-mat.str-el"
    ],
    "license": "",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "1997-07-09T13:19:03Z",
    "title_canon_sha256": "d31d8d49702a85dec6dbaceca40a072ea23ed115ed98da5027afcc06bbdef90c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/9707088",
    "kind": "arxiv",
    "version": 2
  }
}