Pith Number

pith:SKQ2JFJK

pith:2009:SKQ2JFJKENMVS2UGFZDFF6IBBL

not attested not anchored not stored refs pending

A Systematic Search for Corotating Interaction Regions in Apparently Single Galactic WR Stars. I. Characterizing the Variability

A.-N. Chene, M.-H. Nicol, N. St-Louis, O. Schnurr

arxiv:0905.4460 v1 · 2009-05-27 · 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{SKQ2JFJKENMVS2UGFZDFF6IBBL}

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	2026-05-18T04:29:42.926249Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

92a1a4952a2359596a862e4652f9010ae067768830f0ec79a40853d460c17dec

Aliases

arxiv: 0905.4460 · arxiv_version: 0905.4460v1 · doi: 10.48550/arxiv.0905.4460 · pith_short_12: SKQ2JFJKENMV · pith_short_16: SKQ2JFJKENMVS2UG · pith_short_8: SKQ2JFJK

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/SKQ2JFJKENMVS2UGFZDFF6IBBL \
  | 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: 92a1a4952a2359596a862e4652f9010ae067768830f0ec79a40853d460c17dec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e022c0e59628a1b1f54a36847e45df5fa7402383dc645943e8f490aa84e90f9d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-05-27T15:51:19Z",
    "title_canon_sha256": "6b9d7ec8296227ddc924f7db109e2950eeccbd985c0ab0aa3cc3c78733ef8913"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.4460",
    "kind": "arxiv",
    "version": 1
  }
}