Pith Number

pith:CL3HMX4Q

pith:2018:CL3HMX4Q4SQYC33XB2ZUE7UQ44

not attested not anchored not stored refs pending

Observation of Interface Superconductivity in a SnSe2-Epitaxial Graphene van der Waals Heterostructure

Can-Li Song, Ding Zhang, Jia-Qi Fan, Ke He, Lili Wang, Qi-Kun Xue, Wei Li, Wen-Lin Wang, Xu-Cun Ma, Yi-Min Zhang

arxiv:1802.08434 v1 · 2018-02-23 · cond-mat.supr-con · cond-mat.mtrl-sci

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CL3HMX4Q4SQYC33XB2ZUE7UQ44}

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	2026-05-17T23:57:36.708443Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12f6765f90e4a1816f770eb3427e90e7305ac3dd7f595400c8bea7ac08acc322

Aliases

arxiv: 1802.08434 · arxiv_version: 1802.08434v1 · doi: 10.48550/arxiv.1802.08434 · pith_short_12: CL3HMX4Q4SQY · pith_short_16: CL3HMX4Q4SQYC33X · pith_short_8: CL3HMX4Q

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/CL3HMX4Q4SQYC33XB2ZUE7UQ44 \
  | 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: 12f6765f90e4a1816f770eb3427e90e7305ac3dd7f595400c8bea7ac08acc322

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8808023fea904f6f36f6fcdc9a8e656b91487c9a9f80b31484693b54537e80b",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2018-02-23T08:18:32Z",
    "title_canon_sha256": "43c0788b5b337963d0690a799d78d771b619b9b7a7f6b9b323916c198b188241"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.08434",
    "kind": "arxiv",
    "version": 1
  }
}