Pith Number

pith:DU4ITNMV

pith:2020:DU4ITNMVHNUH75JW7WUU3N3YYU

not attested not anchored not stored refs pending

On-demand local modification of high-$T_\text{c}$ superconductivity in few unit-cell thick Bi$_2$Sr$_2$CaCu$_2$O$_{8+\delta}$

A. Thamizhavel, Digambar A. Jangade, Jaykumar Vaidya, Kalobaran Maiti, Mandar M. Deshmukh, Ram Prakash Pandeya, Ruta N. Kulkarni, Sanat Ghosh, Sawani Datta

arxiv:2004.02157 v1 · 2020-04-05 · cond-mat.supr-con · cond-mat.mes-hall · 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{DU4ITNMVHNUH75JW7WUU3N3YYU}

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	2026-07-05T01:38:17.714214Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d3889b5953b687ff536fda94db778c519472fd1d7265225290bf9211a508a43

Aliases

arxiv: 2004.02157 · arxiv_version: 2004.02157v1 · doi: 10.48550/arxiv.2004.02157 · pith_short_12: DU4ITNMVHNUH · pith_short_16: DU4ITNMVHNUH75JW · pith_short_8: DU4ITNMV

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/DU4ITNMVHNUH75JW7WUU3N3YYU \
  | 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: 1d3889b5953b687ff536fda94db778c519472fd1d7265225290bf9211a508a43

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22c52b4029df24d48939eaf1a538ec0bd8f2f5c3850c251786fe73d6440da2a2",
    "cross_cats_sorted": [
      "cond-mat.mes-hall",
      "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": "2020-04-05T11:00:28Z",
    "title_canon_sha256": "5e0689236b5c919d6ad942f9a1dfde87182b2a1f7398be349f187d2dc45556f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.02157",
    "kind": "arxiv",
    "version": 1
  }
}