Pith Number

pith:ZXG6L7OE

pith:2018:ZXG6L7OETQM62BGXQRJ2HIAHDM

not attested not anchored not stored refs pending

On the evolution of vortices in massive protoplanetary discs

Arnaud Pierens, Min-Kai Lin (ASIAA)

arxiv:1805.05768 v1 · 2018-05-15 · 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{ZXG6L7OETQM62BGXQRJ2HIAHDM}

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	2026-05-18T00:14:07.434546Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cdcde5fdc49c19ed04d78453a3a0071b252547642bdacc675561ca7524867fcb

Aliases

arxiv: 1805.05768 · arxiv_version: 1805.05768v1 · doi: 10.48550/arxiv.1805.05768 · pith_short_12: ZXG6L7OETQM6 · pith_short_16: ZXG6L7OETQM62BGX · pith_short_8: ZXG6L7OE

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/ZXG6L7OETQM62BGXQRJ2HIAHDM \
  | 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: cdcde5fdc49c19ed04d78453a3a0071b252547642bdacc675561ca7524867fcb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc976a97fac58cae7df74a6fa527690a538e7d04e7390445da44808e8a679816",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-05-15T13:50:31Z",
    "title_canon_sha256": "25dbb5f35231f3e4c135e676504fd172e8ed3d5dd6b3b9d8ec9312d3faeb7432"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.05768",
    "kind": "arxiv",
    "version": 1
  }
}