Pith Number

pith:ZSDGOVCJ

pith:2018:ZSDGOVCJ7N4JR5VV6JEB6B2PP5

not attested not anchored not stored refs pending

Quasinormal mode oscillations in an analogue black hole experiment

Maur\'icio Richartz, Sam Patrick, Silke Weinfurtner, Theo Torres

arxiv:1811.07858 v3 · 2018-11-19 · gr-qc · cond-mat.quant-gas · 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{ZSDGOVCJ7N4JR5VV6JEB6B2PP5}

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	2026-07-05T01:17:36.845346Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc86675449fb7898f6b5f2481f074f7f69da0109dec314a6a0085d0f4e2ae970

Aliases

arxiv: 1811.07858 · arxiv_version: 1811.07858v3 · doi: 10.48550/arxiv.1811.07858 · pith_short_12: ZSDGOVCJ7N4J · pith_short_16: ZSDGOVCJ7N4JR5VV · pith_short_8: ZSDGOVCJ

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/ZSDGOVCJ7N4JR5VV6JEB6B2PP5 \
  | 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: cc86675449fb7898f6b5f2481f074f7f69da0109dec314a6a0085d0f4e2ae970

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52ee8eab2b4161f912225cf7cf17e4097fc0efce06065a57eeed580197dc11ff",
    "cross_cats_sorted": [
      "cond-mat.quant-gas",
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-11-19T18:19:12Z",
    "title_canon_sha256": "c75232788de7ea8737a7c61e276733d861014b0bdf855f0088b049af34888c2a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.07858",
    "kind": "arxiv",
    "version": 3
  }
}