Pith Number

pith:4HRHGKLO

pith:2004:4HRHGKLOKFAIFBJVYDJBNKW3YS

not attested not anchored not stored refs pending

Parameters of the Effective Singlet-Triplet Model for Band Structure of High-$T_c$ Cuprates by Different Approaches

I.A. Nekrasov, M.A. Korotin, M.M. Korshunov, S.G. Ovchinnikov, V.A. Gavrichkov, V.I. Anisimov, Z.V. Pchelkina

arxiv:cond-mat/0402401 v1 · 2004-02-16 · 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{4HRHGKLOKFAIFBJVYDJBNKW3YS}

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	2026-05-18T04:19:33.729012Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1e273296e5140828535c0d216aadbc4aa3623c2845bef9e0810621bc491c7ba

Aliases

arxiv: cond-mat/0402401 · arxiv_version: cond-mat/0402401v1 · doi: 10.48550/arxiv.cond-mat/0402401 · pith_short_12: 4HRHGKLOKFAI · pith_short_16: 4HRHGKLOKFAIFBJV · pith_short_8: 4HRHGKLO

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/4HRHGKLOKFAIFBJVYDJBNKW3YS \
  | 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: e1e273296e5140828535c0d216aadbc4aa3623c2845bef9e0810621bc491c7ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96795cadf898806d935fc7596bdda32386b18f91bdc683ecf62acbf84ea5ab47",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2004-02-16T03:36:39Z",
    "title_canon_sha256": "a7ec4688ee353f0a620c350180b1ee2958d719f8bba8bb0069f191f97348f035"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0402401",
    "kind": "arxiv",
    "version": 1
  }
}