Pith Number

pith:NIT753LS

pith:2009:NIT753LS7VQPWAPNEBCEBHXW5I

not attested not anchored not stored refs pending

The White Dwarfs within 20 Parsecs of the Sun: Kinematics and Statistics

Edward M. Sion, George P. McCook, Jay B. Holberg, Richard Wasatonic, Terry D. Oswalt

arxiv:0910.1288 v2 · 2009-10-07 · 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{NIT753LS7VQPWAPNEBCEBHXW5I}

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	2026-05-18T02:11:25.808590Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a27feed72fd60fb01ed2044409ef6ea1c5a8041aaa7b2fc44640d711ced4a60

Aliases

arxiv: 0910.1288 · arxiv_version: 0910.1288v2 · doi: 10.48550/arxiv.0910.1288 · pith_short_12: NIT753LS7VQP · pith_short_16: NIT753LS7VQPWAPN · pith_short_8: NIT753LS

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/NIT753LS7VQPWAPNEBCEBHXW5I \
  | 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: 6a27feed72fd60fb01ed2044409ef6ea1c5a8041aaa7b2fc44640d711ced4a60

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fde1f390a9f5bfa73e15b5ed14242b36985fdc283bbb897ba58feafe667c39c3",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-10-07T15:30:28Z",
    "title_canon_sha256": "52433fdb4b54878aac9025d8cdd382f67949c4fe07ad3a88f7db962992d52d6a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.1288",
    "kind": "arxiv",
    "version": 2
  }
}