Pith Number

pith:4UWRP6AH

pith:2012:4UWRP6AHEYQUSD2XLEE6PZ5KB5

not attested not anchored not stored refs pending

A Detailed Morpho-Kinematic Model of the Eskimo, NGC 2392. A Unifying View with the Cat's Eye and Saturn Planetary Nebulae

J. A. L\'opez, Ma. T. Garc\'ia-D\'iaz, M. G. Richer, W. Steffen

arxiv:1211.6717 v1 · 2012-11-28 · 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{4UWRP6AHEYQUSD2XLEE6PZ5KB5}

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	2026-05-18T01:52:53.680423Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e52d17f8072621490f575909e7e7aa0f773732ecc206238629ac9ffa8da289e5

Aliases

arxiv: 1211.6717 · arxiv_version: 1211.6717v1 · doi: 10.48550/arxiv.1211.6717 · pith_short_12: 4UWRP6AHEYQU · pith_short_16: 4UWRP6AHEYQUSD2X · pith_short_8: 4UWRP6AH

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/4UWRP6AHEYQUSD2XLEE6PZ5KB5 \
  | 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: e52d17f8072621490f575909e7e7aa0f773732ecc206238629ac9ffa8da289e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d65fcf3028805725e2887a407c25b0e2c12cefd9fe247dab37fa94d78b639fb0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-11-28T19:50:25Z",
    "title_canon_sha256": "2fa053c431e876049e77ba4e34afbde1d6bedfcddd9cf3341382cebf1853a63d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.6717",
    "kind": "arxiv",
    "version": 1
  }
}