Pith Number

pith:5CMPFUHF

pith:2020:5CMPFUHFRA7G5JG25PWH2R75TP

not attested not anchored not stored refs pending

Optical analogues of black-hole horizons

Yuval Rosenberg

arxiv:2002.04216 v2 · 2020-02-10 · physics.optics · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5CMPFUHFRA7G5JG25PWH2R75TP}

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

Analog charged black hole formation via percolation: Exploring cosmic censorship and Hoop conjecture

Receipt and verification

First computed	2026-07-05T02:23:04.843130Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e898f2d0e5883e6ea4daebec7d47fd9bd88762fd5d3594677bd026b7fd334b3f

Aliases

arxiv: 2002.04216 · arxiv_version: 2002.04216v2 · doi: 10.48550/arxiv.2002.04216 · pith_short_12: 5CMPFUHFRA7G · pith_short_16: 5CMPFUHFRA7G5JG2 · pith_short_8: 5CMPFUHF

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/5CMPFUHFRA7G5JG25PWH2R75TP \
  | 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: e898f2d0e5883e6ea4daebec7d47fd9bd88762fd5d3594677bd026b7fd334b3f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a2ec8398238212f145c0494b7c9e9fd950caf477a5ca8ea7c9ebeedc4e76ee2",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2020-02-10T17:34:51Z",
    "title_canon_sha256": "774891f368ab875f3866a4dfc6da0a2050f631c543d506581830153e9ef7a71e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.04216",
    "kind": "arxiv",
    "version": 2
  }
}