Pith Number

pith:E4H47B5J

pith:2020:E4H47B5JFPKRGGOOOQMFLYJNOC

not attested not anchored not stored refs pending

Spin-Excitations Anisotropy in the Bilayer Iron-Based Superconductor CaKFe$_4$As$_4$

Chang Liu, Frederic Bourdarot, Huiqian Luo, Louis-Pierre Regnault, Shiliang Li, Tao Xie

arxiv:2004.01405 v1 · 2020-04-03 · 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{E4H47B5JFPKRGGOOOQMFLYJNOC}

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	2026-07-05T00:58:51.727341Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

270fcf87a92bd51319ce741855e12d70b81460d0f375d0eee88225c5f2c50e95

Aliases

arxiv: 2004.01405 · arxiv_version: 2004.01405v1 · doi: 10.48550/arxiv.2004.01405 · pith_short_12: E4H47B5JFPKR · pith_short_16: E4H47B5JFPKRGGOO · pith_short_8: E4H47B5J

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/E4H47B5JFPKRGGOOOQMFLYJNOC \
  | 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: 270fcf87a92bd51319ce741855e12d70b81460d0f375d0eee88225c5f2c50e95

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66c83738808a1073fc3dcd1186342e31289b1aab50c166efea701ea572c6f518",
    "cross_cats_sorted": [
      "cond-mat.str-el"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2020-04-03T07:20:40Z",
    "title_canon_sha256": "dbec93ed5164d121a4415bb1cf6fc857d2553bb4ccc638053c93bd9e99b898ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.01405",
    "kind": "arxiv",
    "version": 1
  }
}