Pith Number

pith:QOBZOZRN

pith:2017:QOBZOZRNMYAUG4CECFLFFQU66I

not attested not anchored not stored refs pending

New Approach to Determine the Quality of Graphene

Hyun-Kyung Kim, Joong Tark Han, Kwang-Bum Kim, Kwang Chul Roh, Kyujoon Lee, Myung-Hwa Jung, Soo-Whan Kim, Sunghun Lee

arxiv:1709.09879 v1 · 2017-09-28 · 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{QOBZOZRNMYAUG4CECFLFFQU66I}

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	2026-05-18T00:34:06.395189Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

838397662d6601437044115652c29ef23dbe2d2a332d0610f24ba8f11d3daf09

Aliases

arxiv: 1709.09879 · arxiv_version: 1709.09879v1 · doi: 10.48550/arxiv.1709.09879 · pith_short_12: QOBZOZRNMYAU · pith_short_16: QOBZOZRNMYAUG4CE · pith_short_8: QOBZOZRN

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/QOBZOZRNMYAUG4CECFLFFQU66I \
  | 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: 838397662d6601437044115652c29ef23dbe2d2a332d0610f24ba8f11d3daf09

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f32e31d8d2910d62563949bf83f0a5d31f5e433c80214aed68be6c94e4bc0e93",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2017-09-28T10:03:47Z",
    "title_canon_sha256": "7e33793ab54ecbfe14bb35130defb697f25eae72e73f9d6438d33b7f5e8aa381"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.09879",
    "kind": "arxiv",
    "version": 1
  }
}