Pith Number

pith:3YIKMEQ4

pith:2018:3YIKMEQ4BE37C2QPKNYE6LBARD

not attested not anchored not stored refs pending

The initial conditions for planet formation: Turbulence driven by hydrodynamical instabilities in disks around young stars

Orkan Umurhan, Wladimir Lyra

arxiv:1808.08681 v3 · 2018-08-27 · astro-ph.EP · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3YIKMEQ4BE37C2QPKNYE6LBARD}

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	2026-05-17T23:43:04.658013Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de10a6121c0937f16a0f53704f2c2088ee822a8722c5b41d61804194df01f4b1

Aliases

arxiv: 1808.08681 · arxiv_version: 1808.08681v3 · doi: 10.48550/arxiv.1808.08681 · pith_short_12: 3YIKMEQ4BE37 · pith_short_16: 3YIKMEQ4BE37C2QP · pith_short_8: 3YIKMEQ4

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/3YIKMEQ4BE37C2QPKNYE6LBARD \
  | 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: de10a6121c0937f16a0f53704f2c2088ee822a8722c5b41d61804194df01f4b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25053c048ac9de103474c11d3d357af4aa703fa063f023f7cefc9984b2b6e923",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-08-27T03:53:35Z",
    "title_canon_sha256": "58403b74652b967d3ddfdb92f9ef1bf7af8294084992d3a2ebc8282d204287c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.08681",
    "kind": "arxiv",
    "version": 3
  }
}