Pith Number

pith:Q2ZVH2HV

pith:2019:Q2ZVH2HVLQCGXIYH43MIFAORVD

not attested not anchored not stored refs pending

Two-dimensional covalent crystals by chemical conversion of thin van der Waals materials

Alexander N. Grigorenko, Amalia Patan\`e, Andre K. Geim, Christopher Hardacre, Daniel J. Kelly, Francois M. Peeters, Hasan Sahin, Kalangi S. Vasu, Laurence Eaves, Mehmet Yagmurcukardes, Rahul R. Nair, Sarah F. R. Taylor, Sarah J. Haigh, Vasyl G. Kravets, Vishnu Sreepal, Zakhar D. Kovalyuk, Zakhar Kudrynskyi

arxiv:1908.07357 v1 · 2019-08-20 · 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{Q2ZVH2HVLQCGXIYH43MIFAORVD}

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	2026-07-05T00:05:25.061886Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86b353e8f55c046ba307e6d88281d1a8cef23106798306f29f68a23560473416

Aliases

arxiv: 1908.07357 · arxiv_version: 1908.07357v1 · doi: 10.48550/arxiv.1908.07357 · pith_short_12: Q2ZVH2HVLQCG · pith_short_16: Q2ZVH2HVLQCGXIYH · pith_short_8: Q2ZVH2HV

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/Q2ZVH2HVLQCGXIYH43MIFAORVD \
  | 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: 86b353e8f55c046ba307e6d88281d1a8cef23106798306f29f68a23560473416

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8879d86065b56c40f72e3da1e18c745f4ceb97df829c468e6c422124d4b84e2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2019-08-20T13:58:36Z",
    "title_canon_sha256": "65b20d0d79dda9c05da32798ecf3b9cbecc2222ca91692e8027e73c4546ce2f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.07357",
    "kind": "arxiv",
    "version": 1
  }
}