Pith Number

pith:4ECJ5MOY

pith:2008:4ECJ5MOY5LZAULM4KZ6WJSE4II

not attested not anchored not stored refs pending

Direct Distance Measurement to the Dusty White Dwarf GD 362

Detlev Koester, John R. Thorstensen, Mukremin Kilic

arxiv:0810.3936 v1 · 2008-10-21 · 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{4ECJ5MOY5LZAULM4KZ6WJSE4II}

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	2026-07-04T17:13:18.117530Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1049eb1d8eaf20a2d9c567d64c89c4232ac4ada66fdd0eedfd2a553e7bc5d69

Aliases

arxiv: 0810.3936 · arxiv_version: 0810.3936v1 · doi: 10.48550/arxiv.0810.3936 · pith_short_12: 4ECJ5MOY5LZA · pith_short_16: 4ECJ5MOY5LZAULM4 · pith_short_8: 4ECJ5MOY

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/4ECJ5MOY5LZAULM4KZ6WJSE4II \
  | 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: e1049eb1d8eaf20a2d9c567d64c89c4232ac4ada66fdd0eedfd2a553e7bc5d69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "951db00074fcfadd57a38846dcd08ae99a511f240cb86cfd7f5cfe56cc438dfa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-10-21T21:40:53Z",
    "title_canon_sha256": "54b92c83fc8f9f04e39b49700e15c219ed4841e6f2d44b1c3d33aab10772f112"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0810.3936",
    "kind": "arxiv",
    "version": 1
  }
}