Pith Number

pith:GXWC3AVR

pith:2012:GXWC3AVR6XDEUMIEKIKHBGNVBC

not attested not anchored not stored refs pending

A companion as the cause of latitude-dependent effects in the wind of Eta Carinae

2), (4) Leiden University, Bonn (3) University of Pittsburgh, C. J. H. Kruip (4), D. J. Hillier (3), G. Weigelt (2) ((1) Geneva Observatory, Jose H. Groh (1, Netherlands), Switzerland (2) Max-Planck-Institute for Radioastronomy, Thomas I. Madura (2), USA

arxiv:1210.2709 v1 · 2012-10-09 · astro-ph.SR · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GXWC3AVR6XDEUMIEKIKHBGNVBC}

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	2026-05-18T01:54:03.906162Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

35ec2d82b1f5c64a310452147099b508ab25054c1049f636802e61fdc46960b6

Aliases

arxiv: 1210.2709 · arxiv_version: 1210.2709v1 · doi: 10.48550/arxiv.1210.2709 · pith_short_12: GXWC3AVR6XDE · pith_short_16: GXWC3AVR6XDEUMIE · pith_short_8: GXWC3AVR

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/GXWC3AVR6XDEUMIEKIKHBGNVBC \
  | 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: 35ec2d82b1f5c64a310452147099b508ab25054c1049f636802e61fdc46960b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1cefebe0b771a599d54ae228c1ad3cc5d43f06df59328fda5eadcd1ed757238",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-10-09T19:54:15Z",
    "title_canon_sha256": "f28eeef6b3ae0892472228e9d408501f71528808cc5ef52240c9333ba3017f75"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.2709",
    "kind": "arxiv",
    "version": 1
  }
}