Pith Number

pith:TMYEVHWS

pith:2014:TMYEVHWSXIKCSTPU4UJIGY352X

not attested not anchored not stored refs pending

A hydrodynamical study of multiple-shell planetary nebulae. III. Expansion properties and internal kinematics: Theory versus observation

A. Zwanzig, C. Sandin, D. Schoenberner, G. Hildebrandt, H. Lehmann, M. Steffen, R. Jacob, R.L.M. Corradi

arxiv:1404.0391 v1 · 2014-04-01 · 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{TMYEVHWSXIKCSTPU4UJIGY352X}

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	2026-05-18T02:55:03.459447Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9b304a9ed2ba14294df4e51283637dd5dc1f2a9b052a7a3057fc8a1a3f9b6e09

Aliases

arxiv: 1404.0391 · arxiv_version: 1404.0391v1 · doi: 10.48550/arxiv.1404.0391 · pith_short_12: TMYEVHWSXIKC · pith_short_16: TMYEVHWSXIKCSTPU · pith_short_8: TMYEVHWS

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/TMYEVHWSXIKCSTPU4UJIGY352X \
  | 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: 9b304a9ed2ba14294df4e51283637dd5dc1f2a9b052a7a3057fc8a1a3f9b6e09

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95e10381a7231d0596a7b6f24a8ca720e75e5901c54d851877cfbe8aac11108f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-04-01T20:21:17Z",
    "title_canon_sha256": "3c748d18c93e34c9a3b3716a147de41e0f09528dfc90943036039542a5bb105e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.0391",
    "kind": "arxiv",
    "version": 1
  }
}