Pith Number

pith:VPLND64S

pith:2020:VPLND64SY37CBDUFHY46VXIOI7

not attested not anchored not stored refs pending

Penrose Superradiance in Nonlinear Optics

Daniele Faccio, Ewan M. Wright, Maria Chiara Braidotti

arxiv:2007.07766 v1 · 2020-07-15 · physics.optics · gr-qc · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VPLND64SY37CBDUFHY46VXIOI7}

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.

Cited by

1 paper in Pith

The Spectroscopy of the 2+1 Dimensional Analog Black Hole in Photon-Fluid Model

Receipt and verification

First computed	2026-07-05T01:50:26.726544Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

abd6d1fb92c6fe208e853e39eadd0e47cc74b05c5745eb8f4a461a64818f0226

Aliases

arxiv: 2007.07766 · arxiv_version: 2007.07766v1 · doi: 10.48550/arxiv.2007.07766 · pith_short_12: VPLND64SY37C · pith_short_16: VPLND64SY37CBDUF · pith_short_8: VPLND64S

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/VPLND64SY37CBDUFHY46VXIOI7 \
  | 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: abd6d1fb92c6fe208e853e39eadd0e47cc74b05c5745eb8f4a461a64818f0226

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d1b9f9c88ed1b7e66ceb88526e8d1d463d0e381c5447b377ae485a91dd0059ef",
    "cross_cats_sorted": [
      "gr-qc",
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2020-07-15T15:39:57Z",
    "title_canon_sha256": "da47454948a0682d2a8e16d548277bc33b682ca987e6c9a78289311ec33d9c1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.07766",
    "kind": "arxiv",
    "version": 1
  }
}