Pith Number

pith:6NLVZBLC

pith:2011:6NLVZBLCROE2QJXLUPTP5U3ZFS

not attested not anchored not stored refs pending

Kinematic ages of central stars of planetary nebulae

R. D. D. Costa, T. S. Rodrigues, W. J. Maciel

arxiv:1108.5307 v1 · 2011-08-26 · 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{6NLVZBLCROE2QJXLUPTP5U3ZFS}

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.

Cited by

1 paper in Pith

Recalibration of the H$\alpha$ surface brightness-radius relation for planetary nebulae using Gaia DR3: new distances and the Milky Way oxygen radial gradient

Receipt and verification

First computed	2026-05-18T04:14:38.557250Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f3575c85628b89a826eba3e6fed3792c940117f9008942f9fa635e71176a845a

Aliases

arxiv: 1108.5307 · arxiv_version: 1108.5307v1 · doi: 10.48550/arxiv.1108.5307 · pith_short_12: 6NLVZBLCROE2 · pith_short_16: 6NLVZBLCROE2QJXL · pith_short_8: 6NLVZBLC

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/6NLVZBLCROE2QJXLUPTP5U3ZFS \
  | 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: f3575c85628b89a826eba3e6fed3792c940117f9008942f9fa635e71176a845a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9fa27337546cae5a7adfeaa2a32bd6d32d3b044a6a668853feefb8ae0a002c0f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-08-26T14:06:44Z",
    "title_canon_sha256": "b44bbf32b953ebcbceaef6a3dc06a6086fed120512697004bbcb205a038538e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.5307",
    "kind": "arxiv",
    "version": 1
  }
}