Pith Number

pith:CZVVOCAT

pith:2009:CZVVOCATRLFD4PFZLPTEHCHC2R

not attested not anchored not stored refs pending

How initial and boundary conditions affect protoplanetary migration in a turbulent sub-Keplerian accretion disc: 2D non viscous SPH simulations

Antonino Del Popolo, Diego Molteni, Gaetano Belvedere, Giuseppe Lanzafame, Valerio Pirronello, Vincenzo Costa

arxiv:0907.1829 v2 · 2009-07-10 · 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{CZVVOCATRLFD4PFZLPTEHCHC2R}

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	2026-05-18T03:00:27.548469Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

166b5708138aca3e3cb95be64388e2d478cf1097a52cf1d2a195a001fc74247d

Aliases

arxiv: 0907.1829 · arxiv_version: 0907.1829v2 · doi: 10.48550/arxiv.0907.1829 · pith_short_12: CZVVOCATRLFD · pith_short_16: CZVVOCATRLFD4PFZ · pith_short_8: CZVVOCAT

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/CZVVOCATRLFD4PFZLPTEHCHC2R \
  | 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: 166b5708138aca3e3cb95be64388e2d478cf1097a52cf1d2a195a001fc74247d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1bb5b1b1b9b71e32409e4d0ff701b05a54def778b6dcba819a5100c2c472c6fb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2009-07-10T14:12:22Z",
    "title_canon_sha256": "086a2ab103a5cb011f718af98b8eded1f307957bf375855bb481f3d969da443a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.1829",
    "kind": "arxiv",
    "version": 2
  }
}