Pith Number

pith:A2PXG4SI

pith:2018:A2PXG4SILZ4AVWTF6GBHM3IP4T

not attested not anchored not stored refs pending

Vorticity in analogue spacetimes

Giovanni Tricella, Matt Visser, Sebastian Schuster, Stefano Liberati

arxiv:1802.04785 v2 · 2018-02-13 · 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{A2PXG4SILZ4AVWTF6GBHM3IP4T}

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 regular black holes and black hole mimickers for surface-gravity waves in fluids

Receipt and verification

First computed	2026-05-17T23:53:31.663575Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

069f7372485e780ada65f182766d0fe4cc1785f72f670af058063cdcee73a4df

Aliases

arxiv: 1802.04785 · arxiv_version: 1802.04785v2 · doi: 10.48550/arxiv.1802.04785 · pith_short_12: A2PXG4SILZ4A · pith_short_16: A2PXG4SILZ4AVWTF · pith_short_8: A2PXG4SI

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/A2PXG4SILZ4AVWTF6GBHM3IP4T \
  | 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: 069f7372485e780ada65f182766d0fe4cc1785f72f670af058063cdcee73a4df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a96a3dc1b22fe7c7421064b7e27f9695af625ca302e657ddc88f9192b8749c9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-02-13T18:36:20Z",
    "title_canon_sha256": "3399e8f3fe2673460f141373289bdb8cf586ac76b511c0fad8d038237bb64763"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.04785",
    "kind": "arxiv",
    "version": 2
  }
}