Pith Number

pith:HSZMPMOQ

pith:2020:HSZMPMOQG722Y7B3XQ43WUJJR4

not attested not anchored not stored refs pending

Requirements for gravitational collapse in planetesimal formation --- the impact of scales set by Kelvin-Helmholtz and nonlinear streaming instability

Hans Baehr, Hubert Klahr, Konstantin Gerbig, Ruth A. Murray-Clay

arxiv:2001.10552 v1 · 2020-01-28 · 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{HSZMPMOQG722Y7B3XQ43WUJJR4}

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	2026-07-05T01:08:51.332245Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3cb2c7b1d037f5ac7c3bbc39bb51298f391209c3dc2c38e4fe6b32f1f42a31fc

Aliases

arxiv: 2001.10552 · arxiv_version: 2001.10552v1 · doi: 10.48550/arxiv.2001.10552 · pith_short_12: HSZMPMOQG722 · pith_short_16: HSZMPMOQG722Y7B3 · pith_short_8: HSZMPMOQ

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/HSZMPMOQG722Y7B3XQ43WUJJR4 \
  | 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: 3cb2c7b1d037f5ac7c3bbc39bb51298f391209c3dc2c38e4fe6b32f1f42a31fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6dee6cb3eb4704edca25928b0a25c1dd375ab8992691afb4840c95944ec4462",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2020-01-28T19:00:06Z",
    "title_canon_sha256": "91db1ede6239793b64b9e7fffb0d5155dd35e1962e135129bc8081cd6e3b2f2d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.10552",
    "kind": "arxiv",
    "version": 1
  }
}