Pith Number

pith:4EDSPBFT

pith:2019:4EDSPBFTEIHORNWKJSHLOUAS6K

not attested not anchored not stored refs pending

Gravitoviscous protoplanetary disks with a dust component. II. Spatial distribution and growth of dust in a clumpy disk

Eduard I. Vorobyov, Vardan G. Elbakyan

arxiv:1908.10589 v3 · 2019-08-28 · astro-ph.SR · astro-ph.EP · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4EDSPBFTEIHORNWKJSHLOUAS6K}

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	2026-07-05T00:12:05.662909Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1072784b3220ee8b6ca4c8eb75012f2894a5541f8d060fdd14f627b4c8f1569

Aliases

arxiv: 1908.10589 · arxiv_version: 1908.10589v3 · doi: 10.48550/arxiv.1908.10589 · pith_short_12: 4EDSPBFTEIHO · pith_short_16: 4EDSPBFTEIHORNWK · pith_short_8: 4EDSPBFT

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/4EDSPBFTEIHORNWKJSHLOUAS6K \
  | 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: e1072784b3220ee8b6ca4c8eb75012f2894a5541f8d060fdd14f627b4c8f1569

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c8462f9dd3b138504e899dba3bc4cc066636af1dfc3d243db9bdb295b05864c6",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-08-28T07:54:26Z",
    "title_canon_sha256": "b78c066b1fdf8f484ceaa2467161f6ab6def83eeb95d6b3e608cd803d2d715c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.10589",
    "kind": "arxiv",
    "version": 3
  }
}