Pith Number

pith:5DEW2BRW

pith:2009:5DEW2BRW2AIZKKF4Z7ACNYGHTV

not attested not anchored not stored refs pending

NGC 300 OT2008-1 As a Scaled-Down Version of the Eta Carinae Great Eruption

Adam Frankowski, Amit Kashi, Noam Soker

arxiv:0909.1909 v2 · 2009-09-10 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5DEW2BRW2AIZKKF4Z7ACNYGHTV}

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.

Cited by

1 paper in Pith

Red novae, their progenitors, and remnants

Receipt and verification

First computed	2026-05-18T02:11:57.588797Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e8c96d0636d0119528bccfc026e0c79d759a4beefef7e99a65b202ffdda9ab29

Aliases

arxiv: 0909.1909 · arxiv_version: 0909.1909v2 · doi: 10.48550/arxiv.0909.1909 · pith_short_12: 5DEW2BRW2AIZ · pith_short_16: 5DEW2BRW2AIZKKF4 · pith_short_8: 5DEW2BRW

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/5DEW2BRW2AIZKKF4Z7ACNYGHTV \
  | 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: e8c96d0636d0119528bccfc026e0c79d759a4beefef7e99a65b202ffdda9ab29

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "341c3a3cffbf79bb1bd4363cee1b924bf39cb4428af948d799853c5c1528646b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-09-10T09:57:27Z",
    "title_canon_sha256": "6475d5ce3d14fafae710da368590ae55e8e15b33f974be823b05e6229415094a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.1909",
    "kind": "arxiv",
    "version": 2
  }
}