Pith Number

pith:M6T6MPHL

pith:2009:M6T6MPHLLMFRQ5IREQFYIHV56S

not attested not anchored not stored refs pending

Eta Carinae in the Context of the Most Massive Stars

Augusto Damineli, Theodore R. Gull

arxiv:0910.3158 v1 · 2009-10-16 · astro-ph.SR · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M6T6MPHLLMFRQ5IREQFYIHV56S}

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	2026-05-18T02:11:15.031561Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67a7e63ceb5b0b187511240b841ebdf4a0dcd7e7c7f6989bdf6bb9f50b19af8e

Aliases

arxiv: 0910.3158 · arxiv_version: 0910.3158v1 · doi: 10.48550/arxiv.0910.3158 · pith_short_12: M6T6MPHLLMFR · pith_short_16: M6T6MPHLLMFRQ5IR · pith_short_8: M6T6MPHL

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/M6T6MPHLLMFRQ5IREQFYIHV56S \
  | 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: 67a7e63ceb5b0b187511240b841ebdf4a0dcd7e7c7f6989bdf6bb9f50b19af8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d27d518d9e714c67e242fdf55059b23bc15aa847483e3d5fe4329b76d32af471",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://creativecommons.org/licenses/publicdomain/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-10-16T16:53:19Z",
    "title_canon_sha256": "a9921f1788212896b824cc988bdae85416da6eac644e76732665462438889491"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.3158",
    "kind": "arxiv",
    "version": 1
  }
}