Pith Number

pith:QEXDBDRJ

pith:2010:QEXDBDRJRA6A3ERUZ7HFW4BPXZ

not attested not anchored not stored refs pending

GJ 841B - The Second DQ White Dwarf with Polarized CH Molecular Bands

(2) Kiepenheuer Institut fur Sonnenphysik), Andrei Berdyugin (1), Svetlana Berdyugina (2), Tommi Vornanen (1), Vilppu Piirola (1) ((1) University of Turku

arxiv:1008.3903 v1 · 2010-08-23 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QEXDBDRJRA6A3ERUZ7HFW4BPXZ}

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

Optical polarimetry: Methods, Instruments and Calibration Techniques

Receipt and verification

First computed	2026-05-18T02:05:43.596237Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

812e308e29883c0d9234cfce5b702fbe56a183c0d929b2c05b04dddf697e770e

Aliases

arxiv: 1008.3903 · arxiv_version: 1008.3903v1 · doi: 10.48550/arxiv.1008.3903 · pith_short_12: QEXDBDRJRA6A · pith_short_16: QEXDBDRJRA6A3ERU · pith_short_8: QEXDBDRJ

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/QEXDBDRJRA6A3ERUZ7HFW4BPXZ \
  | 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: 812e308e29883c0d9234cfce5b702fbe56a183c0d929b2c05b04dddf697e770e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a3694cc957ef150ac1aa04b5e080efd753de01755264551cbf2774b640fe879",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-08-23T20:00:04Z",
    "title_canon_sha256": "414313857c5828b2050520c4ec4c280ad5d0af29386dc9b6c105365cdf2365c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.3903",
    "kind": "arxiv",
    "version": 1
  }
}