Pith Number

pith:PCU3QLOD

pith:2009:PCU3QLOD75OFPD4XMNJGU4VVY3

not attested not anchored not stored refs pending

A new extremely low-mass white dwarf in the NLTT catalogue

A. Kawka, S. Vennes

arxiv:0909.3249 v1 · 2009-09-17 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PCU3QLOD75OFPD4XMNJGU4VVY3}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:11:46.833577Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78a9b82dc3ff5c578f9763526a72b5c6c87eb3b34c5a0af00cbedf02812f19e3

Aliases

arxiv: 0909.3249 · arxiv_version: 0909.3249v1 · doi: 10.48550/arxiv.0909.3249 · pith_short_12: PCU3QLOD75OF · pith_short_16: PCU3QLOD75OFPD4X · pith_short_8: PCU3QLOD

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/PCU3QLOD75OFPD4XMNJGU4VVY3 \
  | 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: 78a9b82dc3ff5c578f9763526a72b5c6c87eb3b34c5a0af00cbedf02812f19e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e58f6aba1a8dd0af86c28d3d9ec528e51a2929fa5045b6aba51a08f85b7ff5b9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-09-17T15:25:14Z",
    "title_canon_sha256": "bae5dc293e4324dec7096be99be7362028644e961b05cf39ae8b30cefcc88395"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.3249",
    "kind": "arxiv",
    "version": 1
  }
}