Pith Number

pith:Y4DQRA5V

pith:2020:Y4DQRA5VIF4FTOVN465HKC64AS

not attested not anchored not stored refs pending

On the coexistence of the streaming instability and the vertical shear instability in protoplanetary disks

Anders Johansen, Robi Banerjee, Urs Sch\"afer

arxiv:2002.07185 v1 · 2020-02-17 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y4DQRA5VIF4FTOVN465HKC64AS}

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	2026-07-05T00:53:45.724938Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7070883b5417859baade7ba750bdc049db07e5a54454503e49dd9ce7d8092f7

Aliases

arxiv: 2002.07185 · arxiv_version: 2002.07185v1 · doi: 10.48550/arxiv.2002.07185 · pith_short_12: Y4DQRA5VIF4F · pith_short_16: Y4DQRA5VIF4FTOVN · pith_short_8: Y4DQRA5V

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/Y4DQRA5VIF4FTOVN465HKC64AS \
  | 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: c7070883b5417859baade7ba750bdc049db07e5a54454503e49dd9ce7d8092f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a640e7151f4135d4fe49e1818eba84ce11e843a4897788c0b56d742d237b4f6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2020-02-17T19:00:01Z",
    "title_canon_sha256": "345a15d2df0a48f3e5160d6009ad8d93ed16b6dfaa2e79687076d1cd8b202035"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.07185",
    "kind": "arxiv",
    "version": 1
  }
}