Pith Number

pith:RCTACSK4

pith:2016:RCTACSK47H2SIENNIZ55ZJHMLG

not attested not anchored not stored refs pending

Compact Planetary Nebulae in the Galactic Disk: Analysis of the Central Stars

Eva Villaver, Letizia Stanghellini, Manuel Moreno-Ib\'a\~nez, Richard A. Shaw

arxiv:1606.05489 v2 · 2016-06-17 · 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{RCTACSK47H2SIENNIZ55ZJHMLG}

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	2026-05-18T01:05:42.775010Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

88a601495cf9f52411ad467bdca4ec59a198594422ca88094a4b407f384e228b

Aliases

arxiv: 1606.05489 · arxiv_version: 1606.05489v2 · doi: 10.48550/arxiv.1606.05489 · pith_short_12: RCTACSK47H2S · pith_short_16: RCTACSK47H2SIENN · pith_short_8: RCTACSK4

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/RCTACSK47H2SIENNIZ55ZJHMLG \
  | 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: 88a601495cf9f52411ad467bdca4ec59a198594422ca88094a4b407f384e228b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4123e61eb8453d935ed58a4602d9bb96ab9aeab472a33673140a2b445b5e011",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-06-17T11:50:55Z",
    "title_canon_sha256": "9e9f2def3f5de997e4ca1b65c3934309835a1035e593712259d29e17c3e10345"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.05489",
    "kind": "arxiv",
    "version": 2
  }
}