Pith Number

pith:7CBWWRLJ

pith:2025:7CBWWRLJFLDBE3KSEAPATCHI42

not attested not anchored not stored refs pending

Tensor cross interpolation approach for quantum impurity problems based on the weak-coupling expansion

Hiroshi Shinaoka, Naoto Tsuji, Philipp Werner, Shuta Matsuura

arxiv:2501.12643 v2 · 2025-01-22 · cond-mat.str-el

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\usepackage{pith}
\pithnumber{7CBWWRLJFLDBE3KSEAPATCHI42}

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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.

Cited by

1 paper in Pith

Inchworm tensor train hybridization expansion quantum impurity solver

Receipt and verification

First computed	2026-07-05T10:56:37.164886Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8836b45692ac6126d52201e0988e8e6a055a6c9bc51b53e71fcf7fcece02468

Aliases

arxiv: 2501.12643 · arxiv_version: 2501.12643v2 · doi: 10.48550/arxiv.2501.12643 · pith_short_12: 7CBWWRLJFLDB · pith_short_16: 7CBWWRLJFLDBE3KS · pith_short_8: 7CBWWRLJ

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/7CBWWRLJFLDBE3KSEAPATCHI42 \
  | 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: f8836b45692ac6126d52201e0988e8e6a055a6c9bc51b53e71fcf7fcece02468

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f461ca75d79ed52d13b0aa673a3095c68d2d3272e7329fcadfe697e71cfecfe5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2025-01-22T05:07:08Z",
    "title_canon_sha256": "b84e7b9926143577cd8402c6486ccebf489723d00002bfaeadcac5f43e89d1c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.12643",
    "kind": "arxiv",
    "version": 2
  }
}