Pith Number

pith:7GOB7PY3

pith:2011:7GOB7PY3RW3FNHBY7LEA4Y4BPJ

not attested not anchored not stored refs pending

On the nature of the prototype LBV AG Carinae II. Witnessing a massive star evolving close to the Eddington and bistability limits

Augusto Damineli (IAG-Universidade de Sao Paulo, Brazil), D. John Hillier (University of Pittsburgh, Germany), Jose H. Groh (Max-Planck-Institute for Radioastronomy, USA)

arxiv:1105.0814 v1 · 2011-05-04 · astro-ph.SR · 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{7GOB7PY3RW3FNHBY7LEA4Y4BPJ}

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	2026-05-18T02:02:08.953021Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f99c1fbf1b8db6569c38fac80e63817a7a6d4098657ef07f576b0ce868ce5010

Aliases

arxiv: 1105.0814 · arxiv_version: 1105.0814v1 · doi: 10.48550/arxiv.1105.0814 · pith_short_12: 7GOB7PY3RW3F · pith_short_16: 7GOB7PY3RW3FNHBY · pith_short_8: 7GOB7PY3

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/7GOB7PY3RW3FNHBY7LEA4Y4BPJ \
  | 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: f99c1fbf1b8db6569c38fac80e63817a7a6d4098657ef07f576b0ce868ce5010

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71fdfc52d1a49f625c078438937463ccd1a21e4f6c221c09491cea1cee962a04",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-05-04T13:01:37Z",
    "title_canon_sha256": "d5c55fc31c043461a72a00f648009dca6bba7fc149b4a75e25f4674745750ece"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.0814",
    "kind": "arxiv",
    "version": 1
  }
}