Pith Number

pith:MU55CGZX

pith:2012:MU55CGZX5TC3GJTAKGARC3MYY4

not attested not anchored not stored refs pending

Formation and long-term evolution of 3D vortices in protoplanetary discs

F. Casse, H. Meheut, R. Keppens, W. Benz

arxiv:1204.4390 v1 · 2012-04-19 · 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{MU55CGZX5TC3GJTAKGARC3MYY4}

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	2026-05-18T01:57:48.647295Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

653bd11b37ecc5b326605181116d98c70500ea233d36aca058829f783d736848

Aliases

arxiv: 1204.4390 · arxiv_version: 1204.4390v1 · doi: 10.48550/arxiv.1204.4390 · pith_short_12: MU55CGZX5TC3 · pith_short_16: MU55CGZX5TC3GJTA · pith_short_8: MU55CGZX

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/MU55CGZX5TC3GJTAKGARC3MYY4 \
  | 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: 653bd11b37ecc5b326605181116d98c70500ea233d36aca058829f783d736848

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c59543526ab1b5bef1edcf85fa798cbd4dc0c2895a8784c7e85a5a82fcae34cb",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2012-04-19T15:54:44Z",
    "title_canon_sha256": "3cd994885be721f87496efee4f1823ead57196ab299b5fe558c0129d1d8df7bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.4390",
    "kind": "arxiv",
    "version": 1
  }
}