Pith Number

pith:B7ECMWHU

pith:2021:B7ECMWHU2SBEY3LWSINY2LIY55

not attested not anchored not stored refs pending

Novel magnetic stoichiometric superconductor EuRbFe4As4

A. Ernst, A.S. Usoltsev, A.V. Sadakov, D. Roditchev, D.V. Evtushinsky, D.V. Vyalikh, E.V. Chulkov, G. Poelchen, I.A. Golovchanskiy, K. Kummer, K.S. Pervakov, R. Valenti, S.V. Eremeev, S.W. Jung, T.K. Kim, V.A. Vlasenko, V. Borisov, V.M. Pudalov, V.S. Stolyarov

arxiv:2108.13928 v1 · 2021-08-31 · 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{B7ECMWHU2SBEY3LWSINY2LIY55}

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	2026-07-05T05:43:02.647827Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0fc82658f4d4824c6d76921b8d2d18ef6359a0b98e30b23a7fcc9e92a5d9668d

Aliases

arxiv: 2108.13928 · arxiv_version: 2108.13928v1 · doi: 10.48550/arxiv.2108.13928 · pith_short_12: B7ECMWHU2SBE · pith_short_16: B7ECMWHU2SBEY3LW · pith_short_8: B7ECMWHU

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/B7ECMWHU2SBEY3LWSINY2LIY55 \
  | 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: 0fc82658f4d4824c6d76921b8d2d18ef6359a0b98e30b23a7fcc9e92a5d9668d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "816dee5d3bfeb830f8fcb8a142e45234aff23429b9afb3ee7a18b6b924259614",
    "cross_cats_sorted": [
      "cond-mat.str-el"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2021-08-31T15:31:12Z",
    "title_canon_sha256": "1a61b441dd705bb4cbaa22ebc0ef1c7ce047a8acc9c1d8813018254ad2a5e44b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.13928",
    "kind": "arxiv",
    "version": 1
  }
}