Pith Number

pith:YV66PQY5

pith:2020:YV66PQY5IRNCNAS7R36MZ6CEHE

not attested not anchored not stored refs pending

Controlling Cherenkov threshold with nonlocality

Baile Zhang, Dongjue Liu, Hao Hu, Jingjing Zhang, Patrice Genevet, Xiao Lin, Yu Luo

arxiv:2002.04252 v1 · 2020-02-11 · physics.app-ph · 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{YV66PQY5IRNCNAS7R36MZ6CEHE}

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	2026-07-05T00:39:43.714676Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c57de7c31d445a26825f8efcccf844390c2170cd1c0075c6fd223fbac6ef094f

Aliases

arxiv: 2002.04252 · arxiv_version: 2002.04252v1 · doi: 10.48550/arxiv.2002.04252 · pith_short_12: YV66PQY5IRNC · pith_short_16: YV66PQY5IRNCNAS7 · pith_short_8: YV66PQY5

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/YV66PQY5IRNCNAS7R36MZ6CEHE \
  | 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: c57de7c31d445a26825f8efcccf844390c2170cd1c0075c6fd223fbac6ef094f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7119ba12c59e5719514e3fbbdc76cbccd535f3704c8ee82d7cb46297c0af4c16",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2020-02-11T08:25:01Z",
    "title_canon_sha256": "436d8a793231ad297a7e5da9f96872738dec0782ebe84c0248fcde29842a2e97"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.04252",
    "kind": "arxiv",
    "version": 1
  }
}