Pith Number

pith:GFRUV2ZE

pith:2015:GFRUV2ZEMLESCTQ2ZHSBQ56HZO

not attested not anchored not stored refs pending

Unconventional superconductivity in the layered iron germanide YFe$_2$Ge$_2$

F. Malte Grosche, Giulio I. Lampronti, Jiasheng Chen, Konstantin Semeniuk, Pascal Reiss, Peter W. Logg, Yang Zou, Zhuo Feng

arxiv:1507.01436 v2 · 2015-07-06 · cond-mat.str-el · 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{GFRUV2ZEMLESCTQ2ZHSBQ56HZO}

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	2026-05-18T01:18:09.678775Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31634aeb2462c9214e1ac9e41877c7cbadc650dfe6fdd45e824e3caf28fa0f05

Aliases

arxiv: 1507.01436 · arxiv_version: 1507.01436v2 · doi: 10.48550/arxiv.1507.01436 · pith_short_12: GFRUV2ZEMLES · pith_short_16: GFRUV2ZEMLESCTQ2 · pith_short_8: GFRUV2ZE

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/GFRUV2ZEMLESCTQ2ZHSBQ56HZO \
  | 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: 31634aeb2462c9214e1ac9e41877c7cbadc650dfe6fdd45e824e3caf28fa0f05

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ceb1489664143e5a634a4a5e2ffc6b49e76f3dbb35cdf25955137a4146df3fce",
    "cross_cats_sorted": [
      "cond-mat.supr-con"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2015-07-06T13:11:43Z",
    "title_canon_sha256": "8dadb0db402c2622cdf28422261f6d2401832dc2599583b6548b114dbef44435"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.01436",
    "kind": "arxiv",
    "version": 2
  }
}