Pith Number

pith:NPWWV7TD

pith:2006:NPWWV7TD4RXTLS57KT6X6HXKJT

not attested not anchored not stored refs pending

Trigonometric Parallaxes of Central Stars of Planetary Nebulae

Alice K.B. Monet, Blaise Canzian, Christian B. Luginbuhl, Conard C. Dahn, David G. Monet, Frederick J. Vrba, Harry H. Guetter, Hugh C. Harris, Jeffrey R. Pier, Richard L. Walker, Ronald C. Stone, S.K. Leggett, Stephen E. Levine, Trudy Tilleman

arxiv:astro-ph/0611543 v1 · 2006-11-16 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NPWWV7TD4RXTLS57KT6X6HXKJT}

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

SDSS-V LVM: Revealing the Physical and Chemical Structure of the Helix Nebula

Receipt and verification

First computed	2026-07-04T15:24:57.512871Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6bed6afe63e46f35cbbf54fd7f1eea4ceaee5d616450549670ca89672051fd63

Aliases

arxiv: astro-ph/0611543 · arxiv_version: astro-ph/0611543v1 · doi: 10.48550/arxiv.astro-ph/0611543 · pith_short_12: NPWWV7TD4RXT · pith_short_16: NPWWV7TD4RXTLS57 · pith_short_8: NPWWV7TD

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/NPWWV7TD4RXTLS57KT6X6HXKJT \
  | 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: 6bed6afe63e46f35cbbf54fd7f1eea4ceaee5d616450549670ca89672051fd63

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "380e443671d9c319d29fec74c8f4b99bfacb07461de1b6a42c13da09f2279fb4",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-11-16T22:52:50Z",
    "title_canon_sha256": "2232f7cf762ac141d928ff4c7a648b0233e7881e189cf1a216401dfe87e48b9f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0611543",
    "kind": "arxiv",
    "version": 1
  }
}