Pith Number

pith:GGNEJCQW

pith:2012:GGNEJCQWVTSYGTRLLZ4XT6N7IU

not attested not anchored not stored refs pending

The Unprecedented 2012 Outburst of SN 2009ip: A Luminous Blue Variable Becomes a True Supernova

Alexei Filippenko, Chadwick F. E. Casper, Daniel Cohen, Gary Li, Jeffrey M. Silverman, Jon C. Mauerhan, Kelsey I. Clubb, Kiera Fuller, Kyle Blanchard, Nathan Smith, Peter Blanchard, S. Bradley Cenko

arxiv:1209.6320 v5 · 2012-09-27 · astro-ph.SR · 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{GGNEJCQWVTSYGTRLLZ4XT6N7IU}

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

2 papers in Pith

From mass-loss histories to lightcurves: a generalised framework for interaction-powered transients

Red novae, their progenitors, and remnants

Receipt and verification

First computed	2026-05-18T01:54:13.208652Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

319a448a16ace5834e2b5e7979f9bf453f89897efe18cb27385de2bd2f993ffc

Aliases

arxiv: 1209.6320 · arxiv_version: 1209.6320v5 · doi: 10.48550/arxiv.1209.6320 · pith_short_12: GGNEJCQWVTSY · pith_short_16: GGNEJCQWVTSYGTRL · pith_short_8: GGNEJCQW

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/GGNEJCQWVTSYGTRLLZ4XT6N7IU \
  | 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: 319a448a16ace5834e2b5e7979f9bf453f89897efe18cb27385de2bd2f993ffc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77693abc6614ea0deea25affa74ca9228845ba260fce8c8c35b10334fbb6aab9",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-09-27T18:20:06Z",
    "title_canon_sha256": "ed0b5185ae82a2db2063a5c65fa94f33136d14bc79abc5f68b4c0d8fa3b054bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.6320",
    "kind": "arxiv",
    "version": 5
  }
}