Pith Number

pith:UCCOU4K5

pith:2019:UCCOU4K5WMGVIV6QGDOTPBXGC4

not attested not anchored not stored refs pending

Strained bubbles in van der Waals heterostructures as local emitters of photoluminescence with adjustable wavelength

Alexander Grigorenko, Anastasia Tyurnina, Andre Geim, Denis Bandurin, Ekaterina Khestanova, Francisco Guinea, Irina Grigorieva, Maciej Koperski, Vasyl Kravets

arxiv:1901.09727 v1 · 2019-01-28 · cond-mat.mes-hall

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UCCOU4K5WMGVIV6QGDOTPBXGC4}

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	2026-05-17T23:52:58.356892Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a084ea715db30d5457d030dd3786e617127ec7ca19aa39252ba5ddde61afde70

Aliases

arxiv: 1901.09727 · arxiv_version: 1901.09727v1 · doi: 10.48550/arxiv.1901.09727 · pith_short_12: UCCOU4K5WMGV · pith_short_16: UCCOU4K5WMGVIV6Q · pith_short_8: UCCOU4K5

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/UCCOU4K5WMGVIV6QGDOTPBXGC4 \
  | 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: a084ea715db30d5457d030dd3786e617127ec7ca19aa39252ba5ddde61afde70

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd3f60c6c4b724bd4ffbfedf69ad27b5f8252f344a4cca6181857c970c877178",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2019-01-28T15:11:25Z",
    "title_canon_sha256": "de42792b4bb876488c34b039a247e8690830efc46522bfdec4ba47d372dfaed7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.09727",
    "kind": "arxiv",
    "version": 1
  }
}