Pith Number

pith:4BEUILWP

pith:2020:4BEUILWPT2DHO4IKVZ3LRBDBT2

not attested not anchored not stored refs pending

Structural anomaly in superconductivity of CaFe2As2 class of materials

A. K. Yadav, Anup Pradhan Sakhya, Arindam Pramanik, A. Thamizhavel, Kalobaran Maiti, Rajib Mondal, Ram Prakash Pandeya, S. N. Jha

arxiv:2005.01015 v2 · 2020-05-03 · 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{4BEUILWPT2DHO4IKVZ3LRBDBT2}

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	2026-07-05T01:41:18.214740Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e049442ecf9e8677710aae76b884619ea4ef5c7003800a348a025de6db87562d

Aliases

arxiv: 2005.01015 · arxiv_version: 2005.01015v2 · doi: 10.48550/arxiv.2005.01015 · pith_short_12: 4BEUILWPT2DH · pith_short_16: 4BEUILWPT2DHO4IK · pith_short_8: 4BEUILWP

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/4BEUILWPT2DHO4IKVZ3LRBDBT2 \
  | 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: e049442ecf9e8677710aae76b884619ea4ef5c7003800a348a025de6db87562d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "839a057b2fd91982dcade1e2ba684cab146b516ea065f5c8650853567e9dcfd1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2020-05-03T07:33:18Z",
    "title_canon_sha256": "235b6182a10aa9e860f0e3bdc0bc7f3a011a2d779e50598462261fbc03040a4a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.01015",
    "kind": "arxiv",
    "version": 2
  }
}