Pith Number

pith:ENN2HBIE

pith:2008:ENN2HBIEKAHZQUZVBH5LU76TRO

not attested not anchored not stored refs pending

The Solar Neighborhood. XX. Discovery and Characterization of 21 New Nearby White Dwarf Systems

((1) Georgia State University, (2) University of Montreal, (3) University of Arizona, (4) University of Edinburgh), John P. Subasavage (1), Nigel C. Hambly (4), P. Bergeron (2), P. Dufour (3), Todd J. Henry (1)

arxiv:0805.2515 v1 · 2008-05-16 · 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{ENN2HBIEKAHZQUZVBH5LU76TRO}

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	2026-07-04T17:10:53.865637Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

235ba38504500f98533509faba7fd38bbf1833b6432688301396fb1f571b63df

Aliases

arxiv: 0805.2515 · arxiv_version: 0805.2515v1 · doi: 10.48550/arxiv.0805.2515 · pith_short_12: ENN2HBIEKAHZ · pith_short_16: ENN2HBIEKAHZQUZV · pith_short_8: ENN2HBIE

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/ENN2HBIEKAHZQUZVBH5LU76TRO \
  | 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: 235ba38504500f98533509faba7fd38bbf1833b6432688301396fb1f571b63df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bfbc6f8e07613a1f3e331772f10b2aa81abd2442c9816a020f6affc37a85e7b3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-05-16T15:39:28Z",
    "title_canon_sha256": "c258999084dcd14db172eb0dd04595a0fa6430b33a4b56e82da68ad53997303c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0805.2515",
    "kind": "arxiv",
    "version": 1
  }
}