Pith Number

pith:3EH6OJ4O

pith:2009:3EH6OJ4OYWDGM72BYYPWWU7ZOU

not attested not anchored not stored refs pending

Dwarf Nova Oscillations and Quasi-Periodic Oscillations in Cataclysmic Variables - VIII. VW Hyi in outburst observed with the Southern African Large Telescope

B. Warner, D.A.H. Buckley, D. O'Donoghue, E. Romero-Colmenero, M. Still, P.A. Woudt, P. Vaisanen

arxiv:0909.0902 v1 · 2009-09-04 · 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{3EH6OJ4OYWDGM72BYYPWWU7ZOU}

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	2026-05-18T02:11:59.726563Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d90fe7278ec586667f41c61f6b53f97511895917081717d704a7267916f2db7e

Aliases

arxiv: 0909.0902 · arxiv_version: 0909.0902v1 · doi: 10.48550/arxiv.0909.0902 · pith_short_12: 3EH6OJ4OYWDG · pith_short_16: 3EH6OJ4OYWDGM72B · pith_short_8: 3EH6OJ4O

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/3EH6OJ4OYWDGM72BYYPWWU7ZOU \
  | 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: d90fe7278ec586667f41c61f6b53f97511895917081717d704a7267916f2db7e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7a3791348caf13bae033e45d2b4dfe4912825431145b3e481e1eab717e2a786",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-09-04T15:06:31Z",
    "title_canon_sha256": "61fb8cd869947df39c5abcd020f14da13127023114deb12d4ce3832a00b088d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.0902",
    "kind": "arxiv",
    "version": 1
  }
}