Pith Number

pith:XX2LCUOI

pith:2018:XX2LCUOI7KVRJ3RHXVX3INXQSN

not attested not anchored not stored refs pending

Pebble trapping backreaction does not destroy vortices

Hubert Klahr, Natalie Raettig, Wladimir Lyra

arxiv:1810.07941 v1 · 2018-10-18 · 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{XX2LCUOI7KVRJ3RHXVX3INXQSN}

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	2026-05-18T00:02:53.690408Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bdf4b151c8faab14ee27bd6fb436f09377a908366c6d9ecba3d11c8574deb32b

Aliases

arxiv: 1810.07941 · arxiv_version: 1810.07941v1 · doi: 10.48550/arxiv.1810.07941 · pith_short_12: XX2LCUOI7KVR · pith_short_16: XX2LCUOI7KVRJ3RH · pith_short_8: XX2LCUOI

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/XX2LCUOI7KVRJ3RHXVX3INXQSN \
  | 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: bdf4b151c8faab14ee27bd6fb436f09377a908366c6d9ecba3d11c8574deb32b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7211eaa2d9aedb571a6cefb2fa76d336e3e659d371073826a9937f245ce5e3fa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-10-18T08:19:21Z",
    "title_canon_sha256": "e56f0fab9fbec03fd74e8d649542011b9a98cae8eef72476246b2eb0479765d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.07941",
    "kind": "arxiv",
    "version": 1
  }
}