Pith Number

pith:VWF3EK4A

pith:2006:VWF3EK4A2PVISR5LM4DBAZXPXP

not attested not anchored not stored refs pending

Spectroscopic Identification of Cool White Dwarfs in the Solar Neighbourhood

Adela Kawka, Stephane Vennes

arxiv:astro-ph/0601477 v2 · 2006-01-20 · 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{VWF3EK4A2PVISR5LM4DBAZXPXP}

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

White dwarfs within 13 pc: Insights from ultraviolet spectroscopy

Receipt and verification

First computed	2026-07-04T16:57:50.193175Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad8bb22b80d3ea8947ab67061066efbbf543cfc755000da19cadae4619d2485c

Aliases

arxiv: astro-ph/0601477 · arxiv_version: astro-ph/0601477v2 · doi: 10.48550/arxiv.astro-ph/0601477 · pith_short_12: VWF3EK4A2PVI · pith_short_16: VWF3EK4A2PVISR5L · pith_short_8: VWF3EK4A

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/VWF3EK4A2PVISR5LM4DBAZXPXP \
  | 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: ad8bb22b80d3ea8947ab67061066efbbf543cfc755000da19cadae4619d2485c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73de24bcd6158f48bff0d725aa7e726282c9557bea12eb1382b17c9a52495f94",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-01-20T13:44:36Z",
    "title_canon_sha256": "e1a789c022293021df012e0e3d3c962c06f2be92ad46de585f15b9dd4122bf97"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0601477",
    "kind": "arxiv",
    "version": 2
  }
}