Pith Number

pith:SFKPOIVN

pith:2019:SFKPOIVNBFV5AQN6HEPLE6DRJP

not attested not anchored not stored refs pending

Deep learning-based quality filtering of mechanically exfoliated 2D crystals

Kei Terayama1, Kento Shin, Koji Tsuda, Makoto Yamada, Masaru Onga, Shaan Desai, Yoshihiro Iwasa, Yuji Nakagawa, Yuki M. Itahashi, Yu Saito

arxiv:1907.03239 v1 · 2019-07-07 · physics.app-ph · physics.comp-ph · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SFKPOIVNBFV5AQN6HEPLE6DRJP}

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	2026-05-17T23:41:16.790744Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9154f722ad096bd041be391eb278714bd7e3dde76b3c07c835b274fd2c59c19b

Aliases

arxiv: 1907.03239 · arxiv_version: 1907.03239v1 · doi: 10.48550/arxiv.1907.03239 · pith_short_12: SFKPOIVNBFV5 · pith_short_16: SFKPOIVNBFV5AQN6 · pith_short_8: SFKPOIVN

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/SFKPOIVNBFV5AQN6HEPLE6DRJP \
  | 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: 9154f722ad096bd041be391eb278714bd7e3dde76b3c07c835b274fd2c59c19b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "978dfef0c861a62e32478b8956a348b663a493d58457b36c7a79bba2135a9b6d",
    "cross_cats_sorted": [
      "physics.comp-ph",
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2019-07-07T07:41:36Z",
    "title_canon_sha256": "9eb59aa92e7d24e2bd3a68219ca564e3300dcebffe598bb6166e8c17e2bac6d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.03239",
    "kind": "arxiv",
    "version": 1
  }
}