Pith Number

pith:5SU4QYQP

pith:2019:5SU4QYQPRAJU2FQROQNYTLYOPD

not attested not anchored not stored refs pending

Heterobilayers of 2D materials as a platform for excitonic superfluidity

Alex Kutana, Boris I. Yakobson, Sunny Gupta

arxiv:1908.07513 v2 · 2019-08-16 · cond-mat.mes-hall · cond-mat.mtrl-sci · cond-mat.quant-gas · physics.comp-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5SU4QYQPRAJU2FQROQNYTLYOPD}

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	2026-07-05T01:10:27.545402Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eca9c8620f88134d1611741b89af0e78d4c0970c224ae3b2d15e1207e89c5e01

Aliases

arxiv: 1908.07513 · arxiv_version: 1908.07513v2 · doi: 10.48550/arxiv.1908.07513 · pith_short_12: 5SU4QYQPRAJU · pith_short_16: 5SU4QYQPRAJU2FQR · pith_short_8: 5SU4QYQP

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/5SU4QYQPRAJU2FQROQNYTLYOPD \
  | 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: eca9c8620f88134d1611741b89af0e78d4c0970c224ae3b2d15e1207e89c5e01

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6be392db63058e57bf51a18c7854ce2283431045c53bcf9f0f0d25af305a047c",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci",
      "cond-mat.quant-gas",
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2019-08-16T19:28:59Z",
    "title_canon_sha256": "5154733c49b2e9c8f24b1d8b78d87e323637af24c7bdd6f24aed1c13b05846a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.07513",
    "kind": "arxiv",
    "version": 2
  }
}