Pith Number

pith:ML7DDPWM

pith:2022:ML7DDPWMNGY4WMUH4B6XLFVKVF

not attested not anchored not stored refs pending

Morphokinematic modelling of the point-symmetric Cat's Eye, NGC 6543: Ring-like remnants of a precessing jet

Nico Koning, Ryan Clairmont, Wolfgang Steffen

arxiv:2209.01313 v1 · 2022-09-03 · astro-ph.SR · 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{ML7DDPWMNGY4WMUH4B6XLFVKVF}

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	2026-07-05T04:57:49.005577Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

62fe31becc69b1cb3287e07d7596aaa97f0a67b317a6f3c82f322499dfeeb6ae

Aliases

arxiv: 2209.01313 · arxiv_version: 2209.01313v1 · doi: 10.48550/arxiv.2209.01313 · pith_short_12: ML7DDPWMNGY4 · pith_short_16: ML7DDPWMNGY4WMUH · pith_short_8: ML7DDPWM

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/ML7DDPWMNGY4WMUH4B6XLFVKVF \
  | 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: 62fe31becc69b1cb3287e07d7596aaa97f0a67b317a6f3c82f322499dfeeb6ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0a7bfe7f9a4d0294f02afcb179955901e0d636d0932f99aef536d723b54682d",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2022-09-03T02:42:57Z",
    "title_canon_sha256": "f973e622c1f4504c008dbab0e5732de57d67396b75411b19762a2684ae557ab0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2209.01313",
    "kind": "arxiv",
    "version": 1
  }
}