Pith Number

pith:BTH4U57E

pith:2019:BTH4U57E5Y63X4MRH6KGQDBPJI

not attested not anchored not stored refs pending

$\textit{Ab initio}$ derivation of effective Hamiltonian for La$_{2}$CuO$_{4}$/La$_{1.55}$Sr$_{0.45}$CuO$_{4}$ heterostructure

Masatoshi Imada, Terumasa Tadano, Yusuke Nomura

arxiv:1902.03743 v2 · 2019-02-11 · 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{BTH4U57E5Y63X4MRH6KGQDBPJI}

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	2026-05-17T23:47:17.129071Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ccfca77e4ee3dbbf1913f94680c2f4a1ceed3aead5dab75c4bc186763787736

Aliases

arxiv: 1902.03743 · arxiv_version: 1902.03743v2 · doi: 10.48550/arxiv.1902.03743 · pith_short_12: BTH4U57E5Y63 · pith_short_16: BTH4U57E5Y63X4MR · pith_short_8: BTH4U57E

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/BTH4U57E5Y63X4MRH6KGQDBPJI \
  | 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: 0ccfca77e4ee3dbbf1913f94680c2f4a1ceed3aead5dab75c4bc186763787736

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "291b611af3a48bf41a8f8927b1bacba7632004f88e71698a6676def9db5bcf14",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2019-02-11T06:21:44Z",
    "title_canon_sha256": "53277c16b69e759f4ed062d62a7bf6f2a6edc6f29e9bbf5904d3b8e57a34071f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.03743",
    "kind": "arxiv",
    "version": 2
  }
}