Pith Number

pith:6QVXOOYT

pith:2012:6QVXOOYTT3W5V6MZFW3O6ZEYVR

not attested not anchored not stored refs pending

On the influence of the companion star in Eta Carinae: 2D radiative transfer modeling of the ultraviolet and optical spectra

(2) Univ. of Pittsburgh, D. John Hillier (2), Gerd Weigelt (1) ((1) Max-Planck-Institute for Radioastronomy, Germany, Jose H. Groh (1), Thomas I. Madura (1), USA)

arxiv:1204.1963 v1 · 2012-04-09 · astro-ph.SR · astro-ph.CO · astro-ph.GA · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6QVXOOYTT3W5V6MZFW3O6ZEYVR}

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	2026-05-18T01:57:55.670237Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f42b773b139eeddaf9992db6ef6498ac53849703c2832c9eedf3272d8a51167f

Aliases

arxiv: 1204.1963 · arxiv_version: 1204.1963v1 · doi: 10.48550/arxiv.1204.1963 · pith_short_12: 6QVXOOYTT3W5 · pith_short_16: 6QVXOOYTT3W5V6MZ · pith_short_8: 6QVXOOYT

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/6QVXOOYTT3W5V6MZFW3O6ZEYVR \
  | 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: f42b773b139eeddaf9992db6ef6498ac53849703c2832c9eedf3272d8a51167f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e256c561283aad0966b31217010edc2ca235609a3c51c1b8540f5ce75a721933",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.GA",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-04-09T19:55:50Z",
    "title_canon_sha256": "f71176f91706b5bfd0983bd74fce5b7a0fa48c5fc72a0bc66bd3a4fb6f147352"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.1963",
    "kind": "arxiv",
    "version": 1
  }
}