Pith Number

pith:UIJKZBTP

pith:2019:UIJKZBTP3NJ4LVDQ7HNKQBBPL6

not attested not anchored not stored refs pending

On the Kelvin-Helmholtz instability with smooth initial conditions -- Linear theory and simulations

Christoph Pfrommer, Thomas Berlok

arxiv:1902.01403 v1 · 2019-02-04 · astro-ph.GA · physics.comp-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UIJKZBTP3NJ4LVDQ7HNKQBBPL6}

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	2026-05-17T23:54:14.966503Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a212ac866fdb53c5d470f9daa8042f5fad474a000b6c12112e7557e00a8e590e

Aliases

arxiv: 1902.01403 · arxiv_version: 1902.01403v1 · doi: 10.48550/arxiv.1902.01403 · pith_short_12: UIJKZBTP3NJ4 · pith_short_16: UIJKZBTP3NJ4LVDQ · pith_short_8: UIJKZBTP

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/UIJKZBTP3NJ4LVDQ7HNKQBBPL6 \
  | 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: a212ac866fdb53c5d470f9daa8042f5fad474a000b6c12112e7557e00a8e590e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29d03119fca3c33b11d810e884afdc29fcd9917f82c9574b53cb7823bc140577",
    "cross_cats_sorted": [
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-02-04T19:00:01Z",
    "title_canon_sha256": "eba3889b5270f3447427aa64b17671dd53c2bc3478b63905161c600a42cb9011"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.01403",
    "kind": "arxiv",
    "version": 1
  }
}