Pith Number

pith:4N5KKUYK

pith:2021:4N5KKUYKWKHQBEPARUYQUGMRAK

not attested not anchored not stored refs pending

Global Three-Dimensional Simulations of Outer Protoplanetary Disks with Ambipolar Diffusion

Can Cui, Xue-Ning Bai

arxiv:2106.10167 v2 · 2021-06-18 · 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{4N5KKUYKWKHQBEPARUYQUGMRAK}

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	2026-07-05T03:04:26.379236Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e37aa5530ab28f0091e08d310a19910284ffcf8d0e98084a635136de21a92956

Aliases

arxiv: 2106.10167 · arxiv_version: 2106.10167v2 · doi: 10.48550/arxiv.2106.10167 · pith_short_12: 4N5KKUYKWKHQ · pith_short_16: 4N5KKUYKWKHQBEPA · pith_short_8: 4N5KKUYK

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/4N5KKUYKWKHQBEPARUYQUGMRAK \
  | 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: e37aa5530ab28f0091e08d310a19910284ffcf8d0e98084a635136de21a92956

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a767d5c88f443eceff5dfd48634be15726ab0322dddebeb65cf4e588fc2389b1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2021-06-18T15:01:24Z",
    "title_canon_sha256": "76e65b253db01e435d9ec4c59bc5d22c00ce4d20ee9d31f70f8913ac79d4e01f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.10167",
    "kind": "arxiv",
    "version": 2
  }
}