Pith Number

pith:XNPXJHMQ

pith:2019:XNPXJHMQDAIMYAJR3JIDUGRY6G

not attested not anchored not stored refs pending

The aeolian-erosion barrier for the growth of metre-size objects in protoplanetary-discs

Evgeni Grishin, Hagai B. Perets, Mor Rozner

arxiv:1910.02941 v3 · 2019-10-07 · 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{XNPXJHMQDAIMYAJR3JIDUGRY6G}

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

Correlation between planet formation rate and gas surface density: an analog of Kennicutt Schmidt law for planet formation

Receipt and verification

First computed	2026-07-05T01:16:40.967692Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb5f749d901810cc0131da503a1a38f18c731640b509000b0d52b3d7a5ae1fe1

Aliases

arxiv: 1910.02941 · arxiv_version: 1910.02941v3 · doi: 10.48550/arxiv.1910.02941 · pith_short_12: XNPXJHMQDAIM · pith_short_16: XNPXJHMQDAIMYAJR · pith_short_8: XNPXJHMQ

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/XNPXJHMQDAIMYAJR3JIDUGRY6G \
  | 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: bb5f749d901810cc0131da503a1a38f18c731640b509000b0d52b3d7a5ae1fe1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dcd67c9c5a94e65ac484bb7d1034b17b545086ab374b42aada9268ed77736112",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-10-07T17:58:43Z",
    "title_canon_sha256": "e99df790e652d9287402c57c672eb1f6b1395b3a2642d2d3c2e627665a7bed7a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.02941",
    "kind": "arxiv",
    "version": 3
  }
}