Pith Number

pith:REQXI5AK

pith:2020:REQXI5AKINIZLEFNBZE4APKMR4

not attested not anchored not stored refs pending

Exciton-polaritons in flatland: Controlling flatband properties in a Lieb lattice

Christian Schneider, Johannes Beierlein, Johannes Michl, Monika Emmerling, Oleg A. Egorov, Philipp Gagel, Sebastian Klembt, Sven H\"ofling, Tristan H. Harder, Ulf Peschel

arxiv:2002.05405 v1 · 2020-02-13 · cond-mat.mes-hall · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{REQXI5AKINIZLEFNBZE4APKMR4}

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	2026-07-05T01:33:58.608195Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

892174740a43519590ad0e49c03d4c8f1c9d59c2707497239ae25efce2d53084

Aliases

arxiv: 2002.05405 · arxiv_version: 2002.05405v1 · doi: 10.48550/arxiv.2002.05405 · pith_short_12: REQXI5AKINIZ · pith_short_16: REQXI5AKINIZLEFN · pith_short_8: REQXI5AK

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/REQXI5AKINIZLEFNBZE4APKMR4 \
  | 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: 892174740a43519590ad0e49c03d4c8f1c9d59c2707497239ae25efce2d53084

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a94638bae7deafefd6b680c1ddd5496326aa91cc1343ab218fac9b5b3600cb7",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2020-02-13T09:43:57Z",
    "title_canon_sha256": "da7ee01bac064001beab520a343e0999c69d09e97d583bce34636de7309c448c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.05405",
    "kind": "arxiv",
    "version": 1
  }
}