Pith Number

pith:VOPAY3F2

pith:2020:VOPAY3F2U72QXRM2ABZLC2Z242

not attested not anchored not stored refs pending

Physical properties revealed by transport measurements on superconducting Nd$_{0.8}$Sr$_{0.2}$NiO$_{2}$ thin films

Hai-Hu Wen, Huan Yang, Qing Li, Ying Xiang, Yuefeng Nie, Yueying Li

arxiv:2007.04884 v2 · 2020-07-09 · cond-mat.supr-con · cond-mat.mtrl-sci · 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{VOPAY3F2U72QXRM2ABZLC2Z242}

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	2026-07-05T02:29:54.115716Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab9e0c6cbaa7f50bc59a0072b16b3ae6992251c04ab55405a20c41a7470d11d6

Aliases

arxiv: 2007.04884 · arxiv_version: 2007.04884v2 · doi: 10.48550/arxiv.2007.04884 · pith_short_12: VOPAY3F2U72Q · pith_short_16: VOPAY3F2U72QXRM2 · pith_short_8: VOPAY3F2

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/VOPAY3F2U72QXRM2ABZLC2Z242 \
  | 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: ab9e0c6cbaa7f50bc59a0072b16b3ae6992251c04ab55405a20c41a7470d11d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2d971f747410286ca53750db48888e201d706382706b9d3fe3e5547e68b42c9",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci",
      "cond-mat.str-el"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2020-07-09T15:35:31Z",
    "title_canon_sha256": "4be37b9eed033015c0ee5944843b0a63bac29340b833601017359eb45b6ecaee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.04884",
    "kind": "arxiv",
    "version": 2
  }
}