Pith Number

pith:3YSZLBRM

pith:2018:3YSZLBRMORJRGGZJSXU6DTHRXR

not attested not anchored not stored refs pending

Simulations of the flocculent spiral M33: what drives the spiral structure?

A. R. Pettitt, C. L. Dobbs, E. Corbelli, J. E. Pringle

arxiv:1805.04443 v1 · 2018-05-11 · 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{3YSZLBRMORJRGGZJSXU6DTHRXR}

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	2026-05-18T00:14:07.501099Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de2595862c7453131b2995e9e1ccf1bc7c505ed74c3854a8eef8467af69b2d23

Aliases

arxiv: 1805.04443 · arxiv_version: 1805.04443v1 · doi: 10.48550/arxiv.1805.04443 · pith_short_12: 3YSZLBRMORJR · pith_short_16: 3YSZLBRMORJRGGZJ · pith_short_8: 3YSZLBRM

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/3YSZLBRMORJRGGZJSXU6DTHRXR \
  | 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: de2595862c7453131b2995e9e1ccf1bc7c505ed74c3854a8eef8467af69b2d23

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "94739b15a1bee2e2553a8d18823f75d655b73a6aa13d2578d58ea4522eab9582",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-05-11T15:11:26Z",
    "title_canon_sha256": "ec5868a4df1431bcc0c1cf92b0c85a558e1d2def377555db704b0ce289a46543"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.04443",
    "kind": "arxiv",
    "version": 1
  }
}