Pith Number

pith:VL3NKYSQ

pith:2009:VL3NKYSQZ5LK2SGCZDTSHZCZPS

not attested not anchored not stored refs pending

The High-Metallicity Explosion Environment of the Relativistic Supernova 2009bb

A. Copete, A. M. Soderberg, A. Ray, C. Fransson, E. Berger, E. M. Levesque, G. Pignata, J. E. Grindlay, L. J. Kewley, M. A. Hamuy, M. A. P. Torres, M. D. Stritzinger, M. F. Bietenholz, M. H. Wieringa, N. Chugai, O. Fox, P. A. Milne, P. Challis, P. Chandra, R. A. Chevalier, R. J. Foley, R. P. Kirshner, S. Chakraborti, S. D. Barthelmy, V. Chaplin, V. Connaughton

arxiv:0908.2818 v3 · 2009-08-19 · 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{VL3NKYSQZ5LK2SGCZDTSHZCZPS}

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	2026-05-18T02:12:24.948505Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aaf6d56250cf56ad48c2c8e723e4597ca583a7c8ad7fc9e1ae7324fc2764d01c

Aliases

arxiv: 0908.2818 · arxiv_version: 0908.2818v3 · doi: 10.48550/arxiv.0908.2818 · pith_short_12: VL3NKYSQZ5LK · pith_short_16: VL3NKYSQZ5LK2SGC · pith_short_8: VL3NKYSQ

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/VL3NKYSQZ5LK2SGCZDTSHZCZPS \
  | 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: aaf6d56250cf56ad48c2c8e723e4597ca583a7c8ad7fc9e1ae7324fc2764d01c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07e67944f5da7b4827d1f0f714d742a0be8df7ee812b4e2443d492e97b783d6c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-08-19T20:38:29Z",
    "title_canon_sha256": "689749f06c1b9c41b4d2593c2c66e1e11f67585e0c1d1a7bc7bcf4595dcf0948"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.2818",
    "kind": "arxiv",
    "version": 3
  }
}