Pith Number

pith:XNPYSS7D

pith:2009:XNPYSS7DKR56FWXY2KN5OOAEDT

not attested not anchored not stored refs pending

A Relativistic Type Ibc Supernova Without a Detected Gamma-ray Burst

A. Copete, A. M. Soderberg, A. Ray, C. Fransson, E. M. Levesque, G. Pignata, J. E. Grindlay, M. A. P. Torres, M. D. Stritzinger, M. F. Bietenholz, M. Hamuy, 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:0908.2817 v2 · 2009-08-20 · astro-ph.HE · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XNPYSS7DKR56FWXY2KN5OOAEDT}

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

A 14-year-old Mystery: The Peculiar Case of the Engine-driven SN 2012ap

Receipt and verification

First computed	2026-05-18T02:12:24.958822Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb5f894be3547be2daf8d29bd738041ce6b321dcc0c171597b1ddd9ecba901a9

Aliases

arxiv: 0908.2817 · arxiv_version: 0908.2817v2 · doi: 10.48550/arxiv.0908.2817 · pith_short_12: XNPYSS7DKR56 · pith_short_16: XNPYSS7DKR56FWXY · pith_short_8: XNPYSS7D

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/XNPYSS7DKR56FWXY2KN5OOAEDT \
  | 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: bb5f894be3547be2daf8d29bd738041ce6b321dcc0c171597b1ddd9ecba901a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "882b37dbceab4c4a52adc5ea103b90d9b3f1b7e00aed0325c3e19289d58ab9eb",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-08-20T15:25:40Z",
    "title_canon_sha256": "ce12827b53abbb914b9f4073eaa1bcce5aa049745a38e5ff9e5f8ebcda960a9d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.2817",
    "kind": "arxiv",
    "version": 2
  }
}