Pith Number

pith:6P4BCQ23

pith:2009:6P4BCQ23V7R7TSANS7PCM3UGJ6

not attested not anchored not stored refs pending

Spectroscopic Analysis of DA White Dwarfs: Stark Broadening of Hydrogen Lines Including Non-Ideal Effects

P. Bergeron, P.-E. Tremblay

arxiv:0902.4182 v1 · 2009-02-24 · 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{6P4BCQ23V7R7TSANS7PCM3UGJ6}

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

Physics of Eclipsing Binaries. VI. Hot, compact stars

Receipt and verification

First computed	2026-05-18T04:29:16.276486Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f3f811435bafe3f9c80d97de266e864f8df3325c71a6894401cda6716e6d4390

Aliases

arxiv: 0902.4182 · arxiv_version: 0902.4182v1 · doi: 10.48550/arxiv.0902.4182 · pith_short_12: 6P4BCQ23V7R7 · pith_short_16: 6P4BCQ23V7R7TSAN · pith_short_8: 6P4BCQ23

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/6P4BCQ23V7R7TSANS7PCM3UGJ6 \
  | 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: f3f811435bafe3f9c80d97de266e864f8df3325c71a6894401cda6716e6d4390

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04c3bae87c4cbbb0a94d1e164524049ce220d0488698a3dd4f2ef8d94882d664",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-02-24T17:09:40Z",
    "title_canon_sha256": "b7194938e91ff4067c3e16152cd55c8efcc49f5a490b29170d947e74ec95d70f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.4182",
    "kind": "arxiv",
    "version": 1
  }
}